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13052788 = 227466171
BaseRepresentation
bin110001110010…
…101101110100
3220120011001121
4301302231310
511320142123
61143433324
7215642530
oct61625564
926504047
1013052788
117405831
124455844
132920258
141a3abc0
15122c75d
hexc72b74

13052788 has 12 divisors (see below), whose sum is σ = 26105632. Its totient is φ = 5594040.

The previous prime is 13052761. The next prime is 13052789. The reversal of 13052788 is 88725031.

13052788 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233058 + ... + 233113.

Almost surely, 213052788 is an apocalyptic number.

It is an amenable number.

13052788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13052788 is a wasteful number, since it uses less digits than its factorization.

13052788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466182 (or 466180 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 13052788 is about 3612.8642376929. The cubic root of 13052788 is about 235.4513011547.

The spelling of 13052788 in words is "thirteen million, fifty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 466171 932342 1864684 3263197 6526394 13052788