502,990
502,990 is a composite number, even.
502,990 (five hundred two thousand nine hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 179 × 281. Written other ways, in hexadecimal, 0x7ACCE.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 99,205
- Square (n²)
- 252,998,940,100
- Cube (n³)
- 127,255,936,880,899,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 913,680
- φ(n) — Euler's totient
- 199,360
- Sum of prime factors
- 467
Primality
Prime factorization: 2 × 5 × 179 × 281
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√502,990 = [709; (4, 1, 1, 2, 3, 2, 15, 3, 12, 2, 4, 1, 3, 17, 4, 157, 2, 1, 3, 1, 11, 1, 140, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- five hundred two thousand nine hundred ninety
- Ordinal
- 502990th
- Binary
- 1111010110011001110
- Octal
- 1726316
- Hexadecimal
- 0x7ACCE
- Base64
- B6zO
- One's complement
- 4,294,464,305 (32-bit)
- Scientific notation
- 5.0299 × 10⁵
- As a duration
- 502,990 s = 5 days, 19 hours, 43 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φβϡϟʹ
- Chinese
- 五十萬二千九百九十
- Chinese (financial)
- 伍拾萬貳仟玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 502990, here are decompositions:
- 17 + 502973 = 502990
- 29 + 502961 = 502990
- 53 + 502937 = 502990
- 71 + 502919 = 502990
- 107 + 502883 = 502990
- 149 + 502841 = 502990
- 347 + 502643 = 502990
- 359 + 502631 = 502990
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.172.206.
- Address
- 0.7.172.206
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.172.206
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 502,990 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 502990 first appears in π at position 126,037 of the decimal expansion (the 126,037ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.