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1,015,625

1,015,625 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.).

1,015,625 (one million fifteen thousand six hundred twenty-five) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 5⁷ × 13. Written other ways, in hexadecimal, 0xF7F49.

Arithmetic Number Deficient Number Evil Number Frugal Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
5,265,101
Square (n²)
1,031,494,140,625
Cube (n³)
1,047,611,236,572,265,625
Divisor count
16
σ(n) — sum of divisors
1,367,184
φ(n) — Euler's totient
750,000
Sum of prime factors
48

Primality

Prime factorization: 5 7 × 13

Nearest primes: 1,015,603 (−22) · 1,015,627 (+2)

Divisors & multiples

All divisors (16)
1 · 5 · 13 · 25 · 65 · 125 · 325 · 625 · 1625 · 3125 · 8125 · 15625 · 40625 · 78125 · 203125 · 1015625
Aliquot sum (sum of proper divisors): 351,559
Factor pairs (a × b = 1,015,625)
1 × 1015625
5 × 203125
13 × 78125
25 × 40625
65 × 15625
125 × 8125
325 × 3125
625 × 1625
First multiples
1,015,625 · 2,031,250 (double) · 3,046,875 · 4,062,500 · 5,078,125 · 6,093,750 · 7,109,375 · 8,125,000 · 9,140,625 · 10,156,250

Sums & aliquot sequence

As a sum of two squares: 125² + 1,000² = 160² + 995² = 235² + 980² = 400² + 925²
As a sum of two cubes: 25³ + 100³
As consecutive integers: 507,812 + 507,813 203,123 + 203,124 + 203,125 + 203,126 + 203,127 101,558 + 101,559 + … + 101,567 78,119 + 78,120 + … + 78,131
Aliquot sequence: 1,015,625 351,559 27,057 10,383 3,465 4,023 1,977 663 345 231 153 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√1,015,625 = [1007; (1, 3, 1, 1, 2, 4, 2, 4, 1, 10, 3, 7, 1, 1, 4, 1, 1, 35, 2, 3, 1, 5, 1, 2, …)]

Representations

In words
one million fifteen thousand six hundred twenty-five
Ordinal
1015625th
Binary
11110111111101001001
Octal
3677511
Hexadecimal
0xF7F49
Base64
D39J
One's complement
4,293,951,670 (32-bit)
Scientific notation
1.015625 × 10⁶
As a duration
1,015,625 s = 11 days, 18 hours, 7 minutes, 5 seconds
In other bases
ternary (3) 1220121011202
quaternary (4) 3313331021
quinary (5) 230000000
senary (6) 33433545
septenary (7) 11430002
nonary (9) 1817152
undecimal (11) 634066
duodecimal (12) 40b8b5
tridecimal (13) 297380
tetradecimal (14) 1c61a9
pentadecimal (15) 150dd5

As an angle

1,015,625° = 2,821 × 360° + 65°
65° ≈ 1.134 rad
Compass bearing: ENE (east-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百零一萬五千六百二十五
Chinese (financial)
壹佰零壹萬伍仟陸佰貳拾伍
In other modern scripts
Eastern Arabic ١٠١٥٦٢٥ Devanagari १०१५६२५ Bengali ১০১৫৬২৫ Tamil ௧௦௧௫௬௨௫ Thai ๑๐๑๕๖๒๕ Tibetan ༡༠༡༥༦༢༥ Khmer ១០១៥៦២៥ Lao ໑໐໑໕໖໒໕ Burmese ၁၀၁၅၆၂၅

Also seen as

Hex color
#0F7F49
RGB(15, 127, 73)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.127.73.

Address
0.15.127.73
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.127.73

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 5625 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 5625-10-01 (MMDYYYY (US, single-digit day))
  • 5625-01-10 (DDMYYYY (Euro, single-digit month))
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 1,015,625 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