489,520
489,520 is a composite number, even.
489,520 (four hundred eighty-nine thousand five hundred twenty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 29 × 211. Its proper divisors sum to 693,440, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77830.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 25,984
- Square (n²)
- 239,629,830,400
- Cube (n³)
- 117,303,594,577,408,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 1,182,960
- φ(n) — Euler's totient
- 188,160
- Sum of prime factors
- 253
Primality
Prime factorization: 2 4 × 5 × 29 × 211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√489,520 = [699; (1, 1, 1, 10, 1, 8, 1, 4, 12, 2, 2, 16, 1, 6, 1, 4, 1, 13, 1, 2, 1, 16, 1, 2, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- four hundred eighty-nine thousand five hundred twenty
- Ordinal
- 489520th
- Binary
- 1110111100000110000
- Octal
- 1674060
- Hexadecimal
- 0x77830
- Base64
- B3gw
- One's complement
- 4,294,477,775 (32-bit)
- Scientific notation
- 4.8952 × 10⁵
- As a duration
- 489,520 s = 5 days, 15 hours, 58 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υπθφκʹ
- Chinese
- 四十八萬九千五百二十
- Chinese (financial)
- 肆拾捌萬玖仟伍佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 489520, here are decompositions:
- 41 + 489479 = 489520
- 71 + 489449 = 489520
- 89 + 489431 = 489520
- 113 + 489407 = 489520
- 131 + 489389 = 489520
- 191 + 489329 = 489520
- 257 + 489263 = 489520
- 263 + 489257 = 489520
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.120.48.
- Address
- 0.7.120.48
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.120.48
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 489,520 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°.