490,144
490,144 is a composite number, even.
490,144 (four hundred ninety thousand one hundred forty-four) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2⁵ × 17² × 53. Its proper divisors sum to 554,270, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77AA0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 441,094
- Square (n²)
- 240,241,140,736
- Cube (n³)
- 117,752,753,684,905,984
- Divisor count
- 36
- σ(n) — sum of divisors
- 1,044,414
- φ(n) — Euler's totient
- 226,304
- Sum of prime factors
- 97
Primality
Prime factorization: 2 5 × 17 2 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,144 = [700; (9, 1, 2, 1, 1, 1, 1, 3, 1, 2, 2, 4, 1, 1, 3, 1, 2, 1, 2, 1, 1, 2, 1, 5, …)]
Representations
- In words
- four hundred ninety thousand one hundred forty-four
- Ordinal
- 490144th
- Binary
- 1110111101010100000
- Octal
- 1675240
- Hexadecimal
- 0x77AA0
- Base64
- B3qg
- One's complement
- 4,294,477,151 (32-bit)
- Scientific notation
- 4.90144 × 10⁵
- As a duration
- 490,144 s = 5 days, 16 hours, 9 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υϟρμδʹ
- Chinese
- 四十九萬零一百四十四
- Chinese (financial)
- 肆拾玖萬零壹佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490144, here are decompositions:
- 23 + 490121 = 490144
- 41 + 490103 = 490144
- 47 + 490097 = 490144
- 113 + 490031 = 490144
- 167 + 489977 = 490144
- 233 + 489911 = 490144
- 257 + 489887 = 490144
- 293 + 489851 = 490144
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.160.
- Address
- 0.7.122.160
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.122.160
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 490,144 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 490144 first appears in π at position 784,035 of the decimal expansion (the 784,035ordinal-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°.