490,380
490,380 is a composite number, even.
490,380 (four hundred ninety thousand three hundred eighty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 3 × 5 × 11 × 743. Its proper divisors sum to 1,009,524, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77B8C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 83,094
- Square (n²)
- 240,472,544,400
- Cube (n³)
- 117,922,926,322,872,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,499,904
- φ(n) — Euler's totient
- 118,720
- Sum of prime factors
- 766
Primality
Prime factorization: 2 2 × 3 × 5 × 11 × 743
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,380 = [700; (3, 1, 2, 5, 1, 3, 27, 4, 1, 27, 1, 3, 1, 1, 3, 4, 1, 1, 3, 2, 1, 6, 2, 4, …)]
Representations
- In words
- four hundred ninety thousand three hundred eighty
- Ordinal
- 490380th
- Binary
- 1110111101110001100
- Octal
- 1675614
- Hexadecimal
- 0x77B8C
- Base64
- B3uM
- One's complement
- 4,294,476,915 (32-bit)
- Scientific notation
- 4.9038 × 10⁵
- As a duration
- 490,380 s = 5 days, 16 hours, 13 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υϟτπʹ
- Chinese
- 四十九萬零三百八十
- Chinese (financial)
- 肆拾玖萬零參佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490380, here are decompositions:
- 13 + 490367 = 490380
- 41 + 490339 = 490380
- 67 + 490313 = 490380
- 71 + 490309 = 490380
- 97 + 490283 = 490380
- 103 + 490277 = 490380
- 109 + 490271 = 490380
- 113 + 490267 = 490380
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.123.140.
- Address
- 0.7.123.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.123.140
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 490,380 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 490380 first appears in π at position 473,838 of the decimal expansion (the 473,838ordinal-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°.