Base | Representation |
---|---|
bin | 1101101110010… |
… | …10000010001011 |
3 | 22000121211010110 |
4 | 12313022002023 |
5 | 213432403230 |
6 | 15231245403 |
7 | 2565344400 |
oct | 667120213 |
9 | 260554113 |
10 | 115122315 |
11 | 59a90110 |
12 | 32679863 |
13 | 1ab09a19 |
14 | 1140a2a7 |
15 | a1904b0 |
hex | 6dca08b |
115122315 has 96 divisors (see below), whose sum is σ = 242300160. Its totient is φ = 46099200.
The previous prime is 115122299. The next prime is 115122323. The reversal of 115122315 is 513221511.
It is not a de Polignac number, because 115122315 - 24 = 115122299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 115122291 and 115122300.
It is an unprimeable number.
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 95 ways as a sum of consecutive naturals, for example, 234220 + ... + 234710.
It is an arithmetic number, because the mean of its divisors is an integer number (2523960).
Almost surely, 2115122315 is an apocalyptic number.
115122315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
115122315 is an abundant number, since it is smaller than the sum of its proper divisors (127177845).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115122315 is a wasteful number, since it uses less digits than its factorization.
115122315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553 (or 546 counting only the distinct ones).
The product of its digits is 300, while the sum is 21.
The square root of 115122315 is about 10729.5067454194. The cubic root of 115122315 is about 486.4667610091.
Adding to 115122315 its reverse (513221511), we get a palindrome (628343826).
The spelling of 115122315 in words is "one hundred fifteen million, one hundred twenty-two thousand, three hundred fifteen".
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