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13052609 = 107199613
BaseRepresentation
bin110001110010…
…101011000001
3220120010210222
4301302223001
511320140414
61143432425
7215642153
oct61625301
926503728
1013052609
117405689
124455715
13292014b
141a3aad3
15122c68e
hexc72ac1

13052609 has 8 divisors (see below), whose sum is σ = 13262400. Its totient is φ = 12844656.

The previous prime is 13052593. The next prime is 13052621. The reversal of 13052609 is 90625031.

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

It is a cyclic number.

It is not a de Polignac number, because 13052609 - 24 = 13052593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13052659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20987 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (1657800).

Almost surely, 213052609 is an apocalyptic number.

It is an amenable number.

13052609 is a deficient number, since it is larger than the sum of its proper divisors (209791).

13052609 is a wasteful number, since it uses less digits than its factorization.

13052609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13052609 is about 3612.8394650192. The cubic root of 13052609 is about 235.4502248591.

It can be divided in two parts, 1305 and 2609, that multiplied together give a triangular number (3404745 = T2609).

The spelling of 13052609 in words is "thirteen million, fifty-two thousand, six hundred nine".

Divisors: 1 107 199 613 21293 65591 121987 13052609