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13052244 = 2231087687
BaseRepresentation
bin110001110010…
…100101010100
3220120010022110
4301302211110
511320132434
61143431020
7215641122
oct61624524
926503273
1013052244
117405387
124455470
13291cc2a
141a3a912
15122c4e9
hexc72954

13052244 has 12 divisors (see below), whose sum is σ = 30455264. Its totient is φ = 4350744.

The previous prime is 13052191. The next prime is 13052261. The reversal of 13052244 is 44225031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×130522442 = 340722146871072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13052244.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 543832 + ... + 543855.

Almost surely, 213052244 is an apocalyptic number.

It is an amenable number.

13052244 is an abundant number, since it is smaller than the sum of its proper divisors (17403020).

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

13052244 is a wasteful number, since it uses less digits than its factorization.

13052244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087694 (or 1087692 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13052244 is about 3612.7889503817. The cubic root of 13052244 is about 235.4480301476.

Adding to 13052244 its reverse (44225031), we get a palindrome (57277275).

The spelling of 13052244 in words is "thirteen million, fifty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1087687 2175374 3263061 4350748 6526122 13052244