Search a number
-
+
13049572 = 223262393
BaseRepresentation
bin110001110001…
…111011100100
3220112222122111
4301301323210
511320041242
61143410404
7215630254
oct61617344
926488574
1013049572
117403378
124453a04
13291b953
141a39964
15122b817
hexc71ee4

13049572 has 6 divisors (see below), whose sum is σ = 22836758. Its totient is φ = 6524784.

The previous prime is 13049551. The next prime is 13049573. The reversal of 13049572 is 27594031.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 2119936 = 3306^2 + 1456^2 .

It is not an unprimeable number, because it can be changed into a prime (13049573) by changing a digit.

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 as a sum of consecutive naturals, namely, 1631193 + ... + 1631200.

Almost surely, 213049572 is an apocalyptic number.

It is an amenable number.

13049572 is a deficient number, since it is larger than the sum of its proper divisors (9787186).

13049572 is a wasteful number, since it uses less digits than its factorization.

13049572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262397 (or 3262395 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13049572 is about 3612.4191340430. The cubic root of 13049572 is about 235.4319624106.

The spelling of 13049572 in words is "thirteen million, forty-nine thousand, five hundred seventy-two".

Divisors: 1 2 4 3262393 6524786 13049572