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13056535 = 512372111
BaseRepresentation
bin110001110011…
…101000010111
3220120100012101
4301303220113
511320302120
61143502531
7215656462
oct61635027
926510171
1013056535
117408628
124457a47
132921b7b
141a3c2d9
15122d90a
hexc73a17

13056535 has 8 divisors (see below), whose sum is σ = 15687936. Its totient is φ = 10431840.

The previous prime is 13056499. The next prime is 13056541. The reversal of 13056535 is 53565031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13056535 - 29 = 13056023 is a prime.

It is a Duffinian number.

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, 5130 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (1960992).

Almost surely, 213056535 is an apocalyptic number.

13056535 is a deficient number, since it is larger than the sum of its proper divisors (2631401).

13056535 is a wasteful number, since it uses less digits than its factorization.

13056535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 13056535 is about 3613.3827641145. The cubic root of 13056535 is about 235.4738289503.

It can be divided in two parts, 130 and 56535, that added together give a palindrome (56665).

The spelling of 13056535 in words is "thirteen million, fifty-six thousand, five hundred thirty-five".

Divisors: 1 5 1237 2111 6185 10555 2611307 13056535