489,420
489,420 is a composite number, even.
489,420 (four hundred eighty-nine thousand four hundred twenty) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 3² × 5 × 2,719. Its proper divisors sum to 995,700, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x777CC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 24,984
- Square (n²)
- 239,531,936,400
- Cube (n³)
- 117,231,720,312,888,000
- Divisor count
- 36
- σ(n) — sum of divisors
- 1,485,120
- φ(n) — Euler's totient
- 130,464
- Sum of prime factors
- 2,734
Primality
Prime factorization: 2 2 × 3 2 × 5 × 2719
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√489,420 = [699; (1, 1, 2, 2, 2, 1, 1, 1, 12, 1, 4, 1, 1, 1, 5, 4, 1, 4, 1, 1, 4, 7, 1, 1, …)]
Representations
- In words
- four hundred eighty-nine thousand four hundred twenty
- Ordinal
- 489420th
- Binary
- 1110111011111001100
- Octal
- 1673714
- Hexadecimal
- 0x777CC
- Base64
- B3fM
- One's complement
- 4,294,477,875 (32-bit)
- Scientific notation
- 4.8942 × 10⁵
- As a duration
- 489,420 s = 5 days, 15 hours, 57 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υπθυκʹ
- Chinese
- 四十八萬九千四百二十
- Chinese (financial)
- 肆拾捌萬玖仟肆佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 489420, here are decompositions:
- 11 + 489409 = 489420
- 13 + 489407 = 489420
- 31 + 489389 = 489420
- 53 + 489367 = 489420
- 59 + 489361 = 489420
- 83 + 489337 = 489420
- 137 + 489283 = 489420
- 157 + 489263 = 489420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.119.204.
- Address
- 0.7.119.204
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.119.204
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 489,420 and was likely granted around 1892.
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°.