Base | Representation |
---|---|
bin | 1101110000100… |
… | …00110010101100 |
3 | 22001011112200201 |
4 | 12320100302230 |
5 | 214021142030 |
6 | 15241403244 |
7 | 2600662354 |
oct | 670206254 |
9 | 261145621 |
10 | 115412140 |
11 | 5a168938 |
12 | 32799524 |
13 | 1abab90c |
14 | 11483b64 |
15 | a1eb2ca |
hex | 6e10cac |
115412140 has 12 divisors (see below), whose sum is σ = 242365536. Its totient is φ = 46164848.
The previous prime is 115412131. The next prime is 115412149. The reversal of 115412140 is 41214511.
It is an interprime number because it is at equal distance from previous prime (115412131) and next prime (115412149).
It is not an unprimeable number, because it can be changed into a prime (115412149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885284 + ... + 2885323.
It is an arithmetic number, because the mean of its divisors is an integer number (20197128).
Almost surely, 2115412140 is an apocalyptic number.
115412140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115412140 is an abundant number, since it is smaller than the sum of its proper divisors (126953396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115412140 is a wasteful number, since it uses less digits than its factorization.
115412140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5770616 (or 5770614 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 115412140 is about 10743.0042353152. The cubic root of 115412140 is about 486.8746520366.
Adding to 115412140 its reverse (41214511), we get a palindrome (156626651).
The spelling of 115412140 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred forty".
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