Base | Representation |
---|---|
bin | 110010001011… |
… | …011010010000 |
3 | 220202021210211 |
4 | 302023122100 |
5 | 11331411221 |
6 | 1145533504 |
7 | 216543445 |
oct | 62133220 |
9 | 26667724 |
10 | 13153936 |
11 | 7474824 |
12 | 44a4294 |
13 | 29572c3 |
14 | 1a659cc |
15 | 124c6e1 |
hex | c8b690 |
13153936 has 20 divisors (see below), whose sum is σ = 26365500. Its totient is φ = 6349952.
The previous prime is 13153927. The next prime is 13153939. The reversal of 13153936 is 63935131.
It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 10112400 = 1744^2 + 3180^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13153898 and 13153907.
It is not an unprimeable number, because it can be changed into a prime (13153939) 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, 13711 + ... + 14638.
It is an arithmetic number, because the mean of its divisors is an integer number (1318275).
Almost surely, 213153936 is an apocalyptic number.
13153936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
13153936 is an abundant number, since it is smaller than the sum of its proper divisors (13211564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13153936 is a wasteful number, since it uses less digits than its factorization.
13153936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28386 (or 28380 counting only the distinct ones).
The product of its digits is 7290, while the sum is 31.
The square root of 13153936 is about 3626.8355352842. The cubic root of 13153936 is about 236.0579193282.
The spelling of 13153936 in words is "thirteen million, one hundred fifty-three thousand, nine hundred thirty-six".
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