Base | Representation |
---|---|
bin | 110010000100… |
… | …010101010011 |
3 | 220200211001011 |
4 | 302010111103 |
5 | 11324444242 |
6 | 1145151351 |
7 | 216363103 |
oct | 62042523 |
9 | 26624034 |
10 | 13124947 |
11 | 7454a70 |
12 | 448b557 |
13 | 2947054 |
14 | 1a59203 |
15 | 1243d17 |
hex | c84553 |
13124947 has 8 divisors (see below), whose sum is σ = 14395392. Its totient is φ = 11867400.
The previous prime is 13124911. The next prime is 13124957. The reversal of 13124947 is 74942131.
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 13124947 - 27 = 13124819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13124957) 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, 1023 + ... + 5224.
It is an arithmetic number, because the mean of its divisors is an integer number (1799424).
Almost surely, 213124947 is an apocalyptic number.
13124947 is a deficient number, since it is larger than the sum of its proper divisors (1270445).
13124947 is a wasteful number, since it uses less digits than its factorization.
13124947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6449.
The product of its digits is 6048, while the sum is 31.
The square root of 13124947 is about 3622.8368718450. The cubic root of 13124947 is about 235.8843815071.
The spelling of 13124947 in words is "thirteen million, one hundred twenty-four thousand, nine hundred forty-seven".
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