490,500
490,500 is a composite number, even.
490,500 (four hundred ninety thousand five hundred) is an even 6-digit number. It is a composite number with 72 divisors, and factors as 2² × 3² × 5³ × 109. Its proper divisors sum to 1,071,060, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77C04.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 5,094
- Square (n²)
- 240,590,250,000
- Cube (n³)
- 118,009,517,625,000,000
- Divisor count
- 72
- σ(n) — sum of divisors
- 1,561,560
- φ(n) — Euler's totient
- 129,600
- Sum of prime factors
- 134
Primality
Prime factorization: 2 2 × 3 2 × 5 3 × 109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,500 = [700; (2, 1, 4, 55, 1, 4, 2, 1, 1, 1, 1, 55, 2, 2, 2, 2, 2, 55, 1, 1, 1, 1, 2, 4, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand five hundred
- Ordinal
- 490500th
- Binary
- 1110111110000000100
- Octal
- 1676004
- Hexadecimal
- 0x77C04
- Base64
- B3wE
- One's complement
- 4,294,476,795 (32-bit)
- Scientific notation
- 4.905 × 10⁵
- As a duration
- 490,500 s = 5 days, 16 hours, 15 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵υϟφʹ
- Chinese
- 四十九萬零五百
- Chinese (financial)
- 肆拾玖萬零伍佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490500, here are decompositions:
- 7 + 490493 = 490500
- 19 + 490481 = 490500
- 37 + 490463 = 490500
- 41 + 490459 = 490500
- 47 + 490453 = 490500
- 79 + 490421 = 490500
- 83 + 490417 = 490500
- 107 + 490393 = 490500
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.124.4.
- Address
- 0.7.124.4
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.124.4
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 490,500 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 490500 first appears in π at position 519,496 of the decimal expansion (the 519,496ordinal-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°.