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13085774 = 2132691871
BaseRepresentation
bin110001111010…
…110001001110
3220121211022022
4301322301032
511322221044
61144250142
7216140642
oct61726116
926554268
1013085774
117428599
124470952
132932280
141a48c22
1512373ee
hexc7ac4e

13085774 has 16 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 6013920.

The previous prime is 13085741. The next prime is 13085791. The reversal of 13085774 is 47758031.

It is a Curzon 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, 6059 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 213085774 is an apocalyptic number.

13085774 is a deficient number, since it is larger than the sum of its proper divisors (8142706).

13085774 is a wasteful number, since it uses less digits than its factorization.

13085774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13085774 is about 3617.4264332533. The cubic root of 13085774 is about 235.6494724422.

The spelling of 13085774 in words is "thirteen million, eighty-five thousand, seven hundred seventy-four".

Divisors: 1 2 13 26 269 538 1871 3497 3742 6994 24323 48646 503299 1006598 6542887 13085774