538,472
538,472 is a composite number, even.
538,472 (five hundred thirty-eight thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 11 × 29 × 211. Its proper divisors sum to 606,328, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x83768.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 6,720
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 274,835
- Square (n²)
- 289,952,094,784
- Cube (n³)
- 156,131,084,382,530,048
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,144,800
- φ(n) — Euler's totient
- 235,200
- Sum of prime factors
- 257
Primality
Prime factorization: 2 3 × 11 × 29 × 211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√538,472 = [733; (1, 4, 5, 1, 15, 1, 5, 4, 1, 1466)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- five hundred thirty-eight thousand four hundred seventy-two
- Ordinal
- 538472nd
- Binary
- 10000011011101101000
- Octal
- 2033550
- Hexadecimal
- 0x83768
- Base64
- CDdo
- One's complement
- 4,294,428,823 (32-bit)
- Scientific notation
- 5.38472 × 10⁵
- As a duration
- 538,472 s = 6 days, 5 hours, 34 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φληυοβʹ
- Chinese
- 五十三萬八千四百七十二
- Chinese (financial)
- 伍拾參萬捌仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 538472, here are decompositions:
- 61 + 538411 = 538472
- 73 + 538399 = 538472
- 139 + 538333 = 538472
- 163 + 538309 = 538472
- 223 + 538249 = 538472
- 271 + 538201 = 538472
- 313 + 538159 = 538472
- 349 + 538123 = 538472
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.55.104.
- Address
- 0.8.55.104
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.55.104
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 538,472 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 538472 first appears in π at position 332,826 of the decimal expansion (the 332,826ordinal-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°.