Base | Representation |
---|---|
bin | 1111101010011… |
… | …01011110111111 |
3 | 100011020021100011 |
4 | 13311031132333 |
5 | 232113430000 |
6 | 21012044051 |
7 | 3153535255 |
oct | 765153677 |
9 | 304207304 |
10 | 131389375 |
11 | 68190867 |
12 | 38003627 |
13 | 212b3cc0 |
14 | 136425d5 |
15 | b8052ba |
hex | 7d4d7bf |
131389375 has 40 divisors (see below), whose sum is σ = 179667488. Its totient is φ = 95472000.
The previous prime is 131389367. The next prime is 131389387. The reversal of 131389375 is 573983131.
It is not a de Polignac number, because 131389375 - 23 = 131389367 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 836797 + ... + 836953.
Almost surely, 2131389375 is an apocalyptic number.
131389375 is a deficient number, since it is larger than the sum of its proper divisors (48278113).
131389375 is a wasteful number, since it uses less digits than its factorization.
131389375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293 (or 278 counting only the distinct ones).
The product of its digits is 68040, while the sum is 40.
The square root of 131389375 is about 11462.5204470919. The cubic root of 131389375 is about 508.3780007929.
The spelling of 131389375 in words is "one hundred thirty-one million, three hundred eighty-nine thousand, three hundred seventy-five".
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