Base | Representation |
---|---|
bin | 1101101111101… |
… | …11111101011111 |
3 | 22000222101011201 |
4 | 12313313331133 |
5 | 214004413211 |
6 | 15235300331 |
7 | 2600060005 |
oct | 667677537 |
9 | 260871151 |
10 | 115310431 |
11 | 5a0a9485 |
12 | 3274a6a7 |
13 | 1ab74532 |
14 | 11458a75 |
15 | a1cb0c1 |
hex | 6df7f5f |
115310431 has 8 divisors (see below), whose sum is σ = 120854880. Its totient is φ = 109810272.
The previous prime is 115310423. The next prime is 115310471. The reversal of 115310431 is 134013511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 115310431 - 23 = 115310423 is a prime.
It is a super-2 number, since 2×1153104312 = 26592990994811522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 115310399 and 115310408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115310471) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5680 + ... + 16213.
It is an arithmetic number, because the mean of its divisors is an integer number (15106860).
Almost surely, 2115310431 is an apocalyptic number.
115310431 is a deficient number, since it is larger than the sum of its proper divisors (5544449).
115310431 is a wasteful number, since it uses less digits than its factorization.
115310431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22145.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 115310431 is about 10738.2694602063. The cubic root of 115310431 is about 486.7315876883.
Adding to 115310431 its reverse (134013511), we get a palindrome (249323942).
The spelling of 115310431 in words is "one hundred fifteen million, three hundred ten thousand, four hundred thirty-one".
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