115,520
115,520 is a composite number, even.
115,520 (one hundred fifteen thousand five hundred twenty) is an even 6-digit number. It is a composite number with 42 divisors, and factors as 2⁶ × 5 × 19². Its proper divisors sum to 174,802, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1C340.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 25,511
- Recamán's sequence
- a(72,447) = 115,520
- Square (n²)
- 13,344,870,400
- Cube (n³)
- 1,541,599,428,608,000
- Divisor count
- 42
- σ(n) — sum of divisors
- 290,322
- φ(n) — Euler's totient
- 43,776
- Sum of prime factors
- 55
Primality
Prime factorization: 2 6 × 5 × 19 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√115,520 = [339; (1, 7, 2, 169, 2, 7, 1, 678)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred fifteen thousand five hundred twenty
- Ordinal
- 115520th
- Binary
- 11100001101000000
- Octal
- 341500
- Hexadecimal
- 0x1C340
- Base64
- AcNA
- One's complement
- 4,294,851,775 (32-bit)
- Scientific notation
- 1.1552 × 10⁵
- As a duration
- 115,520 s = 1 day, 8 hours, 5 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ριεφκʹ
- Mayan (base 20)
- 𝋮·𝋨·𝋰·𝋠
- Chinese
- 一十一萬五千五百二十
- Chinese (financial)
- 壹拾壹萬伍仟伍佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 115520, here are decompositions:
- 7 + 115513 = 115520
- 61 + 115459 = 115520
- 157 + 115363 = 115520
- 193 + 115327 = 115520
- 199 + 115321 = 115520
- 211 + 115309 = 115520
- 241 + 115279 = 115520
- 271 + 115249 = 115520
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.195.64.
- Address
- 0.1.195.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.195.64
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 115,520 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 115520 first appears in π at position 62,030 of the decimal expansion (the 62,030ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.