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1,006,245

1,006,245 is a composite number, odd.

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.).

1,006,245 (one million six thousand two hundred forty-five) is an odd 7-digit number. It is a composite number with 24 divisors, and factors as 3² × 5 × 59 × 379. Written other ways, in hexadecimal, 0xF5AA5.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Happy Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
5,426,001
Square (n²)
1,012,529,000,025
Cube (n³)
1,018,852,243,630,156,125
Divisor count
24
σ(n) — sum of divisors
1,778,400
φ(n) — Euler's totient
526,176
Sum of prime factors
449

Primality

Prime factorization: 3 2 × 5 × 59 × 379

Nearest primes: 1,006,241 (−4) · 1,006,249 (+4)

Divisors & multiples

All divisors (24)
1 · 3 · 5 · 9 · 15 · 45 · 59 · 177 · 295 · 379 · 531 · 885 · 1137 · 1895 · 2655 · 3411 · 5685 · 17055 · 22361 · 67083 · 111805 · 201249 · 335415 · 1006245
Aliquot sum (sum of proper divisors): 772,155
Factor pairs (a × b = 1,006,245)
1 × 1006245
3 × 335415
5 × 201249
9 × 111805
15 × 67083
45 × 22361
59 × 17055
177 × 5685
295 × 3411
379 × 2655
531 × 1895
885 × 1137
First multiples
1,006,245 · 2,012,490 (double) · 3,018,735 · 4,024,980 · 5,031,225 · 6,037,470 · 7,043,715 · 8,049,960 · 9,056,205 · 10,062,450

Sums & aliquot sequence

As consecutive integers: 503,122 + 503,123 335,414 + 335,415 + 335,416 201,247 + 201,248 + 201,249 + 201,250 + 201,251 167,705 + 167,706 + 167,707 + 167,708 + 167,709 + 167,710
Aliquot sequence: 1,006,245 772,155 566,325 475,275 310,637 2,863 417 143 25 6 6 — reaches a perfect number

Continued fraction of √n

√1,006,245 = [1003; (8, 1, 1, 501, 34, 501, 1, 1, 8, 2006)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
one million six thousand two hundred forty-five
Ordinal
1006245th
Binary
11110101101010100101
Octal
3655245
Hexadecimal
0xF5AA5
Base64
D1ql
One's complement
4,293,961,050 (32-bit)
Scientific notation
1.006245 × 10⁶
As a duration
1,006,245 s = 11 days, 15 hours, 30 minutes, 45 seconds
In other bases
ternary (3) 1220010022100
quaternary (4) 3311222211
quinary (5) 224144440
senary (6) 33322313
septenary (7) 11360442
nonary (9) 1803270
undecimal (11) 628009
duodecimal (12) 406399
tridecimal (13) 293016
tetradecimal (14) 1c29c9
pentadecimal (15) 14d230

As an angle

1,006,245° = 2,795 × 360° + 45°
45° ≈ 0.785 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬六千二百四十五
Chinese (financial)
壹佰萬陸仟貳佰肆拾伍
In other modern scripts
Eastern Arabic ١٠٠٦٢٤٥ Devanagari १००६२४५ Bengali ১০০৬২৪৫ Tamil ௧௦௦௬௨௪௫ Thai ๑๐๐๖๒๔๕ Tibetan ༡༠༠༦༢༤༥ Khmer ១០០៦២៤៥ Lao ໑໐໐໖໒໔໕ Burmese ၁၀၀၆၂၄၅

Also seen as

Hex color
#0F5AA5
RGB(15, 90, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.90.165.

Address
0.15.90.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.90.165

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 1,006,245 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