511,472
511,472 is a composite number, even.
511,472 (five hundred eleven thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 13 × 2,459. Its proper divisors sum to 556,168, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7CDF0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 280
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 274,115
- Square (n²)
- 261,603,606,784
- Cube (n³)
- 133,802,919,969,026,048
- Divisor count
- 20
- σ(n) — sum of divisors
- 1,067,640
- φ(n) — Euler's totient
- 235,968
- Sum of prime factors
- 2,480
Primality
Prime factorization: 2 4 × 13 × 2459
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√511,472 = [715; (5, 1, 3, 1, 3, 3, 1, 2, 3, 6, 1, 1, 4, 1, 9, 5, 2, 6, 2, 1, 1, 2, 1, 5, …)]
Representations
- In words
- five hundred eleven thousand four hundred seventy-two
- Ordinal
- 511472nd
- Binary
- 1111100110111110000
- Octal
- 1746760
- Hexadecimal
- 0x7CDF0
- Base64
- B83w
- One's complement
- 4,294,455,823 (32-bit)
- Scientific notation
- 5.11472 × 10⁵
- As a duration
- 511,472 s = 5 days, 22 hours, 4 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φιαυοβʹ
- Chinese
- 五十一萬一千四百七十二
- Chinese (financial)
- 伍拾壹萬壹仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 511472, here are decompositions:
- 19 + 511453 = 511472
- 139 + 511333 = 511472
- 193 + 511279 = 511472
- 211 + 511261 = 511472
- 229 + 511243 = 511472
- 271 + 511201 = 511472
- 349 + 511123 = 511472
- 433 + 511039 = 511472
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.205.240.
- Address
- 0.7.205.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.205.240
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 511,472 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°.