490,620
490,620 is a composite number, even.
490,620 (four hundred ninety thousand six hundred twenty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2² × 3 × 5 × 13 × 17 × 37. Its proper divisors sum to 1,118,148, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77C7C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 26,094
- Square (n²)
- 240,707,984,400
- Cube (n³)
- 118,096,151,306,328,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 1,608,768
- φ(n) — Euler's totient
- 110,592
- Sum of prime factors
- 79
Primality
Prime factorization: 2 2 × 3 × 5 × 13 × 17 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,620 = [700; (2, 3, 1, 6, 2, 1, 2, 2, 1, 1, 11, 11, 2, 28, 9, 350, 9, 28, 2, 11, 11, 1, 1, 2, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand six hundred twenty
- Ordinal
- 490620th
- Binary
- 1110111110001111100
- Octal
- 1676174
- Hexadecimal
- 0x77C7C
- Base64
- B3x8
- One's complement
- 4,294,476,675 (32-bit)
- Scientific notation
- 4.9062 × 10⁵
- As a duration
- 490,620 s = 5 days, 16 hours, 17 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υϟχκʹ
- Chinese
- 四十九萬零六百二十
- Chinese (financial)
- 肆拾玖萬零陸佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490620, here are decompositions:
- 29 + 490591 = 490620
- 41 + 490579 = 490620
- 43 + 490577 = 490620
- 47 + 490573 = 490620
- 61 + 490559 = 490620
- 71 + 490549 = 490620
- 79 + 490541 = 490620
- 83 + 490537 = 490620
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.124.124.
- Address
- 0.7.124.124
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.124.124
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 490,620 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 490620 first appears in π at position 605,017 of the decimal expansion (the 605,017ordinal-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°.