Base | Representation |
---|---|
bin | 110010000100… |
… | …010101101100 |
3 | 220200211002002 |
4 | 302010111230 |
5 | 11324444342 |
6 | 1145151432 |
7 | 216363140 |
oct | 62042554 |
9 | 26624062 |
10 | 13124972 |
11 | 7454a93 |
12 | 448b578 |
13 | 2947073 |
14 | 1a59220 |
15 | 1243d32 |
hex | c8456c |
13124972 has 24 divisors (see below), whose sum is σ = 27632640. Its totient is φ = 5328720.
The previous prime is 13124971. The next prime is 13124977. The reversal of 13124972 is 27942131.
It is not an unprimeable number, because it can be changed into a prime (13124971) 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, 11804 + ... + 12867.
It is an arithmetic number, because the mean of its divisors is an integer number (1151360).
Almost surely, 213124972 is an apocalyptic number.
It is an amenable number.
13124972 is an abundant number, since it is smaller than the sum of its proper divisors (14507668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124972 is a wasteful number, since it uses less digits than its factorization.
13124972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24701 (or 24699 counting only the distinct ones).
The product of its digits is 3024, while the sum is 29.
The square root of 13124972 is about 3622.8403221782. The cubic root of 13124972 is about 235.8845312755.
The spelling of 13124972 in words is "thirteen million, one hundred twenty-four thousand, nine hundred seventy-two".
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