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13086242 = 213503317
BaseRepresentation
bin110001111010…
…111000100010
3220121211221122
4301322320202
511322224432
61144252242
7216142211
oct61727042
926554848
1013086242
117428984
124471082
132932550
141a49078
151237612
hexc7ae22

13086242 has 8 divisors (see below), whose sum is σ = 21139356. Its totient is φ = 6039792.

The previous prime is 13086211. The next prime is 13086251. The reversal of 13086242 is 24268031.

13086242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9357481 + 3728761 = 3059^2 + 1931^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 503317 = 13086242 / (1 + 3 + 0 + 8 + 6 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251633 + ... + 251684.

Almost surely, 213086242 is an apocalyptic number.

13086242 is a deficient number, since it is larger than the sum of its proper divisors (8053114).

13086242 is a wasteful number, since it uses less digits than its factorization.

13086242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503332.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 13086242 is about 3617.4911195468. The cubic root of 13086242 is about 235.6522816668.

The spelling of 13086242 in words is "thirteen million, eighty-six thousand, two hundred forty-two".

Divisors: 1 2 13 26 503317 1006634 6543121 13086242