Base | Representation |
---|---|
bin | 1101110000110… |
… | …10110000001011 |
3 | 22001020121122210 |
4 | 12320122300023 |
5 | 214023443224 |
6 | 15242320203 |
7 | 2601222330 |
oct | 670326013 |
9 | 261217583 |
10 | 115452939 |
11 | 5a196558 |
12 | 327b9063 |
13 | 1abc4364 |
14 | 11494987 |
15 | a208429 |
hex | 6e1ac0b |
115452939 has 32 divisors (see below), whose sum is σ = 184909824. Its totient is φ = 62647200.
The previous prime is 115452923. The next prime is 115452941. The reversal of 115452939 is 939254511.
It is not a de Polignac number, because 115452939 - 24 = 115452923 is a prime.
It is a super-2 number, since 2×1154529392 = 26658762247475442, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 115452897 and 115452906.
It is not an unprimeable number, because it can be changed into a prime (115452919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72142 + ... + 73724.
It is an arithmetic number, because the mean of its divisors is an integer number (5778432).
Almost surely, 2115452939 is an apocalyptic number.
115452939 is a deficient number, since it is larger than the sum of its proper divisors (69456885).
115452939 is a wasteful number, since it uses less digits than its factorization.
115452939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767.
The product of its digits is 48600, while the sum is 39.
The square root of 115452939 is about 10744.9029311576. The cubic root of 115452939 is about 486.9320164776.
The spelling of 115452939 in words is "one hundred fifteen million, four hundred fifty-two thousand, nine hundred thirty-nine".
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