Search a number
-
+
15138162 = 2321364693
BaseRepresentation
bin111001101111…
…110101110010
31001111002122200
4321233311302
512333410122
61300244030
7242446404
oct71576562
931432580
1015138162
1185aa586
1250a0616
1331a04c0
142020b74
1514e05ac
hexe6fd72

15138162 has 24 divisors (see below), whose sum is σ = 35322924. Its totient is φ = 4657824.

The previous prime is 15138139. The next prime is 15138197. The reversal of 15138162 is 26183151.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 690561 = 3801^2 + 831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32113 + ... + 32580.

Almost surely, 215138162 is an apocalyptic number.

15138162 is an abundant number, since it is smaller than the sum of its proper divisors (20184762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15138162 is a wasteful number, since it uses less digits than its factorization.

15138162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64714 (or 64711 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 15138162 is about 3890.7790993579. The cubic root of 15138162 is about 247.3760873451.

It can be divided in two parts, 15138 and 162, that multiplied together give a square (2452356 = 15662).

The spelling of 15138162 in words is "fifteen million, one hundred thirty-eight thousand, one hundred sixty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 64693 129386 194079 388158 582237 841009 1164474 1682018 2523027 5046054 7569081 15138162