Base | Representation |
---|---|
bin | 110001110101… |
… | …001011101011 |
3 | 220120122220210 |
4 | 301311023223 |
5 | 11321003031 |
6 | 1143552203 |
7 | 216014142 |
oct | 61651353 |
9 | 26518823 |
10 | 13062891 |
11 | 7412386 |
12 | 445b663 |
13 | 2924a2a |
14 | 1a40759 |
15 | 1230746 |
hex | c752eb |
13062891 has 4 divisors (see below), whose sum is σ = 17417192. Its totient is φ = 8708592.
The previous prime is 13062877. The next prime is 13062901. The reversal of 13062891 is 19826031.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13062891 - 215 = 13030123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13062821) 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, 2177146 + ... + 2177151.
It is an arithmetic number, because the mean of its divisors is an integer number (4354298).
Almost surely, 213062891 is an apocalyptic number.
13062891 is a deficient number, since it is larger than the sum of its proper divisors (4354301).
13062891 is an equidigital number, since it uses as much as digits as its factorization.
13062891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4354300.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 13062891 is about 3614.2621653665. The cubic root of 13062891 is about 235.5120327785.
The spelling of 13062891 in words is "thirteen million, sixty-two thousand, eight hundred ninety-one".
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