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1,006,572

1,006,572 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,006,572 (one million six thousand five hundred seventy-two) is an even 7-digit number. It is a composite number with 48 divisors, and factors as 2² × 3 × 7 × 23 × 521. Its proper divisors sum to 1,799,700, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF5BEC.

Abundant Number Arithmetic Number Cube-Free Evil Number Gapful Number Harshad / Niven Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
2,756,001
Square (n²)
1,013,187,191,184
Cube (n³)
1,019,845,857,404,461,248
Divisor count
48
σ(n) — sum of divisors
2,806,272
φ(n) — Euler's totient
274,560
Sum of prime factors
558

Primality

Prime factorization: 2 2 × 3 × 7 × 23 × 521

Nearest primes: 1,006,559 (−13) · 1,006,583 (+11)

Divisors & multiples

All divisors (48)
1 · 2 · 3 · 4 · 6 · 7 · 12 · 14 · 21 · 23 · 28 · 42 · 46 · 69 · 84 · 92 · 138 · 161 · 276 · 322 · 483 · 521 · 644 · 966 · 1042 · 1563 · 1932 · 2084 · 3126 · 3647 · 6252 · 7294 · 10941 · 11983 · 14588 · 21882 · 23966 · 35949 · 43764 · 47932 · 71898 · 83881 · 143796 · 167762 · 251643 · 335524 · 503286 (half) · 1006572
Aliquot sum (sum of proper divisors): 1,799,700
Factor pairs (a × b = 1,006,572)
1 × 1006572
2 × 503286
3 × 335524
4 × 251643
6 × 167762
7 × 143796
12 × 83881
14 × 71898
21 × 47932
23 × 43764
28 × 35949
42 × 23966
46 × 21882
69 × 14588
84 × 11983
92 × 10941
138 × 7294
161 × 6252
276 × 3647
322 × 3126
483 × 2084
521 × 1932
644 × 1563
966 × 1042
First multiples
1,006,572 · 2,013,144 (double) · 3,019,716 · 4,026,288 · 5,032,860 · 6,039,432 · 7,046,004 · 8,052,576 · 9,059,148 · 10,065,720

Sums & aliquot sequence

As consecutive integers: 335,523 + 335,524 + 335,525 143,793 + 143,794 + … + 143,799 125,818 + 125,819 + … + 125,825 47,922 + 47,923 + … + 47,942
Aliquot sequence: 1,006,572 1,799,700 4,158,252 8,290,548 15,925,644 30,082,500 79,082,556 140,978,628 286,735,932 549,730,244 549,730,300 813,602,580 1,807,600,620 4,117,858,836 8,218,211,820 20,103,029,268 — keeps growing

Continued fraction of √n

√1,006,572 = [1003; (3, 1, 1, 3, 2, 3, 3, 1, 2, 3, 5, 1, 5, 4, 1, 14, 3, 1, 1, 3, 4, 1, 23, 2, …)]

Representations

In words
one million six thousand five hundred seventy-two
Ordinal
1006572nd
Binary
11110101101111101100
Octal
3655754
Hexadecimal
0xF5BEC
Base64
D1vs
One's complement
4,293,960,723 (32-bit)
Scientific notation
1.006572 × 10⁶
As a duration
1,006,572 s = 11 days, 15 hours, 36 minutes, 12 seconds
In other bases
ternary (3) 1220010202110
quaternary (4) 3311233230
quinary (5) 224202242
senary (6) 33324020
septenary (7) 11361420
nonary (9) 1803673
undecimal (11) 628286
duodecimal (12) 406610
tridecimal (13) 293208
tetradecimal (14) 1c2b80
pentadecimal (15) 14d39c

As an angle

1,006,572° = 2,796 × 360° + 12°
12° ≈ 0.209 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百萬六千五百七十二
Chinese (financial)
壹佰萬陸仟伍佰柒拾貳
In other modern scripts
Eastern Arabic ١٠٠٦٥٧٢ Devanagari १००६५७२ Bengali ১০০৬৫৭২ Tamil ௧௦௦௬௫௭௨ Thai ๑๐๐๖๕๗๒ Tibetan ༡༠༠༦༥༧༢ Khmer ១០០៦៥៧២ Lao ໑໐໐໖໕໗໒ Burmese ၁၀၀၆၅၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1006572, here are decompositions:

  • 13 + 1006559 = 1006572
  • 29 + 1006543 = 1006572
  • 41 + 1006531 = 1006572
  • 59 + 1006513 = 1006572
  • 79 + 1006493 = 1006572
  • 101 + 1006471 = 1006572
  • 103 + 1006469 = 1006572
  • 109 + 1006463 = 1006572

Showing the first eight; more decompositions exist.

Hex color
#0F5BEC
RGB(15, 91, 236)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.91.236.

Address
0.15.91.236
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.91.236

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,006,572 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.