497,640
497,640 is a composite number, even.
497,640 (four hundred ninety-seven thousand six hundred forty) is an even 6-digit number. It is a composite number with 128 divisors, and factors as 2³ × 3 × 5 × 11 × 13 × 29. Its proper divisors sum to 1,316,760, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x797E8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 46,794
- Square (n²)
- 247,645,569,600
- Cube (n³)
- 123,238,341,255,744,000
- Divisor count
- 128
- σ(n) — sum of divisors
- 1,814,400
- φ(n) — Euler's totient
- 107,520
- Sum of prime factors
- 67
Primality
Prime factorization: 2 3 × 3 × 5 × 11 × 13 × 29
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√497,640 = [705; (2, 3, 2, 2, 4, 2, 1, 4, 5, 4, 1, 2, 4, 2, 2, 3, 2, 1410)]
Period length 18 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-seven thousand six hundred forty
- Ordinal
- 497640th
- Binary
- 1111001011111101000
- Octal
- 1713750
- Hexadecimal
- 0x797E8
- Base64
- B5fo
- One's complement
- 4,294,469,655 (32-bit)
- Scientific notation
- 4.9764 × 10⁵
- As a duration
- 497,640 s = 5 days, 18 hours, 14 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υϟζχμʹ
- Chinese
- 四十九萬七千六百四十
- Chinese (financial)
- 肆拾玖萬柒仟陸佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 497640, here are decompositions:
- 7 + 497633 = 497640
- 37 + 497603 = 497640
- 43 + 497597 = 497640
- 53 + 497587 = 497640
- 61 + 497579 = 497640
- 79 + 497561 = 497640
- 83 + 497557 = 497640
- 89 + 497551 = 497640
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.151.232.
- Address
- 0.7.151.232
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.151.232
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 497,640 and was likely granted around 1893.
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°.