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13049076 = 2231087423
BaseRepresentation
bin110001110001…
…110011110100
3220112221222010
4301301303310
511320032301
61143404220
7215625645
oct61616364
926487863
1013049076
117402a67
124453670
13291b661
141a396cc
15122b5d6
hexc71cf4

13049076 has 12 divisors (see below), whose sum is σ = 30447872. Its totient is φ = 4349688.

The previous prime is 13049053. The next prime is 13049093. The reversal of 13049076 is 67094031.

It is a happy number.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 543700 + ... + 543723.

Almost surely, 213049076 is an apocalyptic number.

It is an amenable number.

13049076 is an abundant number, since it is smaller than the sum of its proper divisors (17398796).

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

13049076 is a wasteful number, since it uses less digits than its factorization.

13049076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087430 (or 1087428 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13049076 is about 3612.3504813348. The cubic root of 13049076 is about 235.4289795354.

The spelling of 13049076 in words is "thirteen million, forty-nine thousand, seventy-six".

Divisors: 1 2 3 4 6 12 1087423 2174846 3262269 4349692 6524538 13049076