Base | Representation |
---|---|
bin | 110010001100… |
… | …001010110101 |
3 | 220202110001222 |
4 | 302030022311 |
5 | 11332011140 |
6 | 1150000125 |
7 | 216555506 |
oct | 62141265 |
9 | 26673058 |
10 | 13157045 |
11 | 74770a0 |
12 | 44a6045 |
13 | 2958845 |
14 | 1a66bad |
15 | 124d5b5 |
hex | c8c2b5 |
13157045 has 16 divisors (see below), whose sum is σ = 17357760. Its totient is φ = 9494400.
The previous prime is 13157033. The next prime is 13157087. The reversal of 13157045 is 54075131.
It is not a de Polignac number, because 13157045 - 210 = 13156021 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6785 + ... + 8505.
It is an arithmetic number, because the mean of its divisors is an integer number (1084860).
Almost surely, 213157045 is an apocalyptic number.
It is an amenable number.
13157045 is a deficient number, since it is larger than the sum of its proper divisors (4200715).
13157045 is a wasteful number, since it uses less digits than its factorization.
13157045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1876.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 13157045 is about 3627.2641205184. The cubic root of 13157045 is about 236.0765156951.
The spelling of 13157045 in words is "thirteen million, one hundred fifty-seven thousand, forty-five".
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