Base | Representation |
---|---|
bin | 1101110000010… |
… | …10101100010000 |
3 | 22001010021102020 |
4 | 12320022230100 |
5 | 214014342102 |
6 | 15241051440 |
7 | 2600526456 |
oct | 670125420 |
9 | 261107366 |
10 | 115387152 |
11 | 5a151091 |
12 | 32786b80 |
13 | 1aba042a |
14 | 114789d6 |
15 | a1e3bbc |
hex | 6e0ab10 |
115387152 has 60 divisors (see below), whose sum is σ = 314645040. Its totient is φ = 36432576.
The previous prime is 115387121. The next prime is 115387229. The reversal of 115387152 is 251783511.
It is a super-2 number, since 2×1153871522 = 26628389693342208, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13999 + ... + 20657.
It is an arithmetic number, because the mean of its divisors is an integer number (5244084).
Almost surely, 2115387152 is an apocalyptic number.
115387152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 115387152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157322520).
115387152 is an abundant number, since it is smaller than the sum of its proper divisors (199257888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115387152 is a wasteful number, since it uses less digits than its factorization.
115387152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6708 (or 6683 counting only the distinct ones).
The product of its digits is 8400, while the sum is 33.
The square root of 115387152 is about 10741.8411829630. The cubic root of 115387152 is about 486.8395115914.
The spelling of 115387152 in words is "one hundred fifteen million, three hundred eighty-seven thousand, one hundred fifty-two".
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