Base | Representation |
---|---|
bin | 110010001010… |
… | …111010110100 |
3 | 220202012001022 |
4 | 302022322310 |
5 | 11331330144 |
6 | 1145520312 |
7 | 216534542 |
oct | 62127264 |
9 | 26665038 |
10 | 13151924 |
11 | 7473265 |
12 | 44a3098 |
13 | 2956406 |
14 | 1a64d92 |
15 | 124bcee |
hex | c8aeb4 |
13151924 has 12 divisors (see below), whose sum is σ = 23099748. Its totient is φ = 6552000.
The previous prime is 13151923. The next prime is 13151927. The reversal of 13151924 is 42915131.
13151924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 9610000 + 3541924 = 3100^2 + 1882^2 .
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 13151893 and 13151902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13151921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4727 + ... + 6974.
It is an arithmetic number, because the mean of its divisors is an integer number (1924979).
Almost surely, 213151924 is an apocalyptic number.
It is an amenable number.
13151924 is a deficient number, since it is larger than the sum of its proper divisors (9947824).
13151924 is a wasteful number, since it uses less digits than its factorization.
13151924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11986 (or 11984 counting only the distinct ones).
The product of its digits is 1080, while the sum is 26.
The square root of 13151924 is about 3626.5581478862. The cubic root of 13151924 is about 236.0458830639.
The spelling of 13151924 in words is "thirteen million, one hundred fifty-one thousand, nine hundred twenty-four".
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