492,420
492,420 is a composite number, even.
492,420 (four hundred ninety-two thousand four hundred twenty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 3 × 5 × 29 × 283. Its proper divisors sum to 938,940, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x78384.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 24,294
- Square (n²)
- 242,477,456,400
- Cube (n³)
- 119,400,749,080,488,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,431,360
- φ(n) — Euler's totient
- 126,336
- Sum of prime factors
- 324
Primality
Prime factorization: 2 2 × 3 × 5 × 29 × 283
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√492,420 = [701; (1, 2, 1, 1, 1, 9, 3, 6, 1, 1, 3, 1, 5, 1, 1, 1, 2, 3, 1, 1, 1, 4, 4, 1, …)]
Representations
- In words
- four hundred ninety-two thousand four hundred twenty
- Ordinal
- 492420th
- Binary
- 1111000001110000100
- Octal
- 1701604
- Hexadecimal
- 0x78384
- Base64
- B4OE
- One's complement
- 4,294,474,875 (32-bit)
- Scientific notation
- 4.9242 × 10⁵
- As a duration
- 492,420 s = 5 days, 16 hours, 47 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υϟβυκʹ
- Chinese
- 四十九萬二千四百二十
- Chinese (financial)
- 肆拾玖萬貳仟肆佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 492420, here are decompositions:
- 7 + 492413 = 492420
- 11 + 492409 = 492420
- 17 + 492403 = 492420
- 23 + 492397 = 492420
- 31 + 492389 = 492420
- 43 + 492377 = 492420
- 101 + 492319 = 492420
- 127 + 492293 = 492420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.131.132.
- Address
- 0.7.131.132
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.131.132
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 492,420 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°.