Base | Representation |
---|---|
bin | 1101101110100… |
… | …11110000100011 |
3 | 22000200211202201 |
4 | 12313103300203 |
5 | 213440142042 |
6 | 15232154031 |
7 | 2565601462 |
oct | 667236043 |
9 | 260624681 |
10 | 115162147 |
11 | 5a008031 |
12 | 32698917 |
13 | 1ab21ba9 |
14 | 1141a9d9 |
15 | a19c1b7 |
hex | 6dd3c23 |
115162147 has 4 divisors (see below), whose sum is σ = 115537576. Its totient is φ = 114786720.
The previous prime is 115162141. The next prime is 115162181. The reversal of 115162147 is 741261511.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741261511 = 269 ⋅2755619.
It is a cyclic number.
It is not a de Polignac number, because 115162147 - 23 = 115162139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (115162141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187254 + ... + 187867.
It is an arithmetic number, because the mean of its divisors is an integer number (28884394).
Almost surely, 2115162147 is an apocalyptic number.
115162147 is a deficient number, since it is larger than the sum of its proper divisors (375429).
115162147 is an equidigital number, since it uses as much as digits as its factorization.
115162147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375428.
The product of its digits is 1680, while the sum is 28.
The square root of 115162147 is about 10731.3627745967. The cubic root of 115162147 is about 486.5228599205.
The spelling of 115162147 in words is "one hundred fifteen million, one hundred sixty-two thousand, one hundred forty-seven".
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