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13058305 = 513792543
BaseRepresentation
bin110001110100…
…000100000001
3220120102121221
4301310010001
511320331210
61143515041
7215664601
oct61640401
926512557
1013058305
117409997
124458a81
132922910
141a3cc01
15122e1da
hexc74101

13058305 has 16 divisors (see below), whose sum is σ = 17095680. Its totient is φ = 9517248.

The previous prime is 13058303. The next prime is 13058321. The reversal of 13058305 is 50385031.

It is a happy number.

It is not a de Polignac number, because 13058305 - 21 = 13058303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13058305.

It is not an unprimeable number, because it can be changed into a prime (13058303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3864 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 213058305 is an apocalyptic number.

It is an amenable number.

13058305 is a deficient number, since it is larger than the sum of its proper divisors (4037375).

13058305 is a wasteful number, since it uses less digits than its factorization.

13058305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13058305 is about 3613.6276786631. The cubic root of 13058305 is about 235.4844690843.

The spelling of 13058305 in words is "thirteen million, fifty-eight thousand, three hundred five".

Divisors: 1 5 13 65 79 395 1027 2543 5135 12715 33059 165295 200897 1004485 2611661 13058305