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13159252 = 2231106123
BaseRepresentation
bin110010001100…
…101101010100
3220202120002201
4302030231110
511332044002
61150014244
7216565111
oct62145524
926676081
1013159252
117478817
1244a7384
132959852
141a67908
15124e087
hexc8cb54

13159252 has 12 divisors (see below), whose sum is σ = 23771776. Its totient is φ = 6367320.

The previous prime is 13159249. The next prime is 13159253. The reversal of 13159252 is 25295131.

It is a self number, because there is not a number n which added to its sum of digits gives 13159252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13159253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52938 + ... + 53185.

Almost surely, 213159252 is an apocalyptic number.

It is an amenable number.

13159252 is a deficient number, since it is larger than the sum of its proper divisors (10612524).

13159252 is a wasteful number, since it uses less digits than its factorization.

13159252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106158 (or 106156 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 13159252 is about 3627.5683315411. The cubic root of 13159252 is about 236.0897150049.

The spelling of 13159252 in words is "thirteen million, one hundred fifty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 31 62 124 106123 212246 424492 3289813 6579626 13159252