497,720
497,720 is a composite number, even.
497,720 (four hundred ninety-seven thousand seven hundred twenty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 23 × 541. Its proper divisors sum to 673,000, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x79838.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 27,794
- Square (n²)
- 247,725,198,400
- Cube (n³)
- 123,297,785,747,648,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,170,720
- φ(n) — Euler's totient
- 190,080
- Sum of prime factors
- 575
Primality
Prime factorization: 2 3 × 5 × 23 × 541
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√497,720 = [705; (2, 33, 1, 10, 1, 2, 4, 2, 2, 1, 3, 1, 2, 2, 17, 2, 3, 2, 3, 1, 69, 1, 3, 2, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-seven thousand seven hundred twenty
- Ordinal
- 497720th
- Binary
- 1111001100000111000
- Octal
- 1714070
- Hexadecimal
- 0x79838
- Base64
- B5g4
- One's complement
- 4,294,469,575 (32-bit)
- Scientific notation
- 4.9772 × 10⁵
- As a duration
- 497,720 s = 5 days, 18 hours, 15 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υϟζψκʹ
- Chinese
- 四十九萬七千七百二十
- Chinese (financial)
- 肆拾玖萬柒仟柒佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 497720, here are decompositions:
- 19 + 497701 = 497720
- 31 + 497689 = 497720
- 43 + 497677 = 497720
- 61 + 497659 = 497720
- 163 + 497557 = 497720
- 199 + 497521 = 497720
- 211 + 497509 = 497720
- 229 + 497491 = 497720
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.152.56.
- Address
- 0.7.152.56
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.152.56
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 497,720 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 497720 first appears in π at position 768,355 of the decimal expansion (the 768,355ordinal-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°.