Base | Representation |
---|---|
bin | 110010100100… |
… | …011010011001 |
3 | 220221111021202 |
4 | 302210122121 |
5 | 11343200340 |
6 | 1152043545 |
7 | 220451144 |
oct | 62443231 |
9 | 26844252 |
10 | 13256345 |
11 | 7534763 |
12 | 45335b5 |
13 | 2991abb |
14 | 1a9105b |
15 | 126cc15 |
hex | ca4699 |
13256345 has 16 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 9855744.
The previous prime is 13256333. The next prime is 13256359. The reversal of 13256345 is 54365231.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13256345 is a prime.
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, 6116 + ... + 7994.
It is an arithmetic number, because the mean of its divisors is an integer number (1065960).
Almost surely, 213256345 is an apocalyptic number.
It is an amenable number.
13256345 is a deficient number, since it is larger than the sum of its proper divisors (3799015).
13256345 is a wasteful number, since it uses less digits than its factorization.
13256345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1984.
The product of its digits is 10800, while the sum is 29.
The square root of 13256345 is about 3640.9263931038. The cubic root of 13256345 is about 236.6689402237.
The spelling of 13256345 in words is "thirteen million, two hundred fifty-six thousand, three hundred forty-five".
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