Base | Representation |
---|---|
bin | 1101101110111… |
… | …11011110101000 |
3 | 22000210021121200 |
4 | 12313133132220 |
5 | 213443211102 |
6 | 15233204200 |
7 | 2566161441 |
oct | 667373650 |
9 | 260707550 |
10 | 115210152 |
11 | 5a040102 |
12 | 32700660 |
13 | 1ab3a9b5 |
14 | 114302c8 |
15 | a1ab51c |
hex | 6ddf7a8 |
115210152 has 24 divisors (see below), whose sum is σ = 312027690. Its totient is φ = 38403360.
The previous prime is 115210111. The next prime is 115210153. The reversal of 115210152 is 251012511.
It can be written as a sum of positive squares in only one way, i.e., 94361796 + 20848356 = 9714^2 + 4566^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (115210153) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799999 + ... + 800142.
Almost surely, 2115210152 is an apocalyptic number.
115210152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
115210152 is an abundant number, since it is smaller than the sum of its proper divisors (196817538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115210152 is a wasteful number, since it uses less digits than its factorization.
115210152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1600153 (or 1600146 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 18.
The square root of 115210152 is about 10733.5992099575. The cubic root of 115210152 is about 486.5904524007.
Adding to 115210152 its reverse (251012511), we get a palindrome (366222663).
The spelling of 115210152 in words is "one hundred fifteen million, two hundred ten thousand, one hundred fifty-two".
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