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13052642 = 223812741
BaseRepresentation
bin110001110010…
…101011100010
3220120010212012
4301302223202
511320141032
61143432522
7215642231
oct61625342
926503765
1013052642
117405709
124455742
132920175
141a3ab18
15122c6b2
hexc72ae2

13052642 has 8 divisors (see below), whose sum is σ = 19594332. Its totient is φ = 6521200.

The previous prime is 13052623. The next prime is 13052647. The reversal of 13052642 is 24625031.

13052642 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 10233601 + 2819041 = 3199^2 + 1679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13052647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392 + ... + 6132.

Almost surely, 213052642 is an apocalyptic number.

13052642 is a deficient number, since it is larger than the sum of its proper divisors (6541690).

13052642 is a wasteful number, since it uses less digits than its factorization.

13052642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13052642 is about 3612.8440320612. The cubic root of 13052642 is about 235.4504232830.

Adding to 13052642 its reverse (24625031), we get a palindrome (37677673).

The spelling of 13052642 in words is "thirteen million, fifty-two thousand, six hundred forty-two".

Divisors: 1 2 2381 2741 4762 5482 6526321 13052642