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13004572 = 2271094261
BaseRepresentation
bin110001100110…
…111100011100
3220110200220211
4301212330130
511312121242
61142422204
7215352130
oct61467434
926420824
1013004572
117382589
124431964
132904319
141a273c0
15121d317
hexc66f1c

13004572 has 24 divisors (see below), whose sum is σ = 26253920. Its totient is φ = 5520960.

The previous prime is 13004543. The next prime is 13004587. The reversal of 13004572 is 27540031.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 922 + ... + 5182.

Almost surely, 213004572 is an apocalyptic number.

It is an amenable number.

13004572 is an abundant number, since it is smaller than the sum of its proper divisors (13249348).

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

13004572 is a wasteful number, since it uses less digits than its factorization.

13004572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13004572 is about 3606.1852420529. The cubic root of 13004572 is about 235.1610304187.

The spelling of 13004572 in words is "thirteen million, four thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 109 218 436 763 1526 3052 4261 8522 17044 29827 59654 119308 464449 928898 1857796 3251143 6502286 13004572