Base | Representation |
---|---|
bin | 1101101111010… |
… | …01101110100011 |
3 | 22000212102012110 |
4 | 12313221232203 |
5 | 214001032011 |
6 | 15234130403 |
7 | 2566425021 |
oct | 667515643 |
9 | 260772173 |
10 | 115252131 |
11 | 5a0696a5 |
12 | 32720a03 |
13 | 1ab53b37 |
14 | 11441711 |
15 | a1b8ba6 |
hex | 6de9ba3 |
115252131 has 16 divisors (see below), whose sum is σ = 158400000. Its totient is φ = 74500128.
The previous prime is 115252121. The next prime is 115252139. The reversal of 115252131 is 131252511.
It is not a de Polignac number, because 115252131 - 222 = 111057827 is a prime.
It is a super-2 number, since 2×1152521312 = 26566107400082322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 115252098 and 115252107.
It is not an unprimeable number, because it can be changed into a prime (115252139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11620 + ... + 19118.
It is an arithmetic number, because the mean of its divisors is an integer number (9900000).
Almost surely, 2115252131 is an apocalyptic number.
115252131 is a deficient number, since it is larger than the sum of its proper divisors (43147869).
115252131 is a wasteful number, since it uses less digits than its factorization.
115252131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7658.
The product of its digits is 300, while the sum is 21.
The square root of 115252131 is about 10735.5545268980. The cubic root of 115252131 is about 486.6495447053.
The spelling of 115252131 in words is "one hundred fifteen million, two hundred fifty-two thousand, one hundred thirty-one".
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