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13054385 = 5171091409
BaseRepresentation
bin110001110011…
…000110110001
3220120020020202
4301303012301
511320220020
61143444545
7215650301
oct61630661
926506222
1013054385
117406a53
124456755
132920bb6
141a3b601
15122ce75
hexc731b1

13054385 has 16 divisors (see below), whose sum is σ = 16750800. Its totient is φ = 9732096.

The previous prime is 13054367. The next prime is 13054397. The reversal of 13054385 is 58345031.

13054385 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 8 ways, for example, as 323761 + 12730624 = 569^2 + 3568^2 .

It is a cyclic number.

It is not a de Polignac number, because 13054385 - 214 = 13038001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8561 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (1046925).

Almost surely, 213054385 is an apocalyptic number.

It is an amenable number.

13054385 is a deficient number, since it is larger than the sum of its proper divisors (3696415).

13054385 is a wasteful number, since it uses less digits than its factorization.

13054385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 13054385 is about 3613.0852467109. The cubic root of 13054385 is about 235.4609032002.

The spelling of 13054385 in words is "thirteen million, fifty-four thousand, three hundred eighty-five".

Divisors: 1 5 17 85 109 545 1409 1853 7045 9265 23953 119765 153581 767905 2610877 13054385