Search a number
-
+
15293052 = 22321812347
BaseRepresentation
bin111010010101…
…101001111100
31001202222010100
4322111221330
512403334202
61303441100
7243663105
oct72255174
931688110
1015293052
1186a5995
125156190
133225b58
1420613ac
15152141c
hexe95a7c

15293052 has 36 divisors (see below), whose sum is σ = 38887576. Its totient is φ = 5067360.

The previous prime is 15293051. The next prime is 15293059. The reversal of 15293052 is 25039251.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15293051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5343 + ... + 7689.

Almost surely, 215293052 is an apocalyptic number.

15293052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15293052 is an abundant number, since it is smaller than the sum of its proper divisors (23594524).

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

15293052 is a wasteful number, since it uses less digits than its factorization.

15293052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 15293052 is about 3910.6331968110. The cubic root of 15293052 is about 248.2169234537.

The spelling of 15293052 in words is "fifteen million, two hundred ninety-three thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 181 362 543 724 1086 1629 2172 2347 3258 4694 6516 7041 9388 14082 21123 28164 42246 84492 424807 849614 1274421 1699228 2548842 3823263 5097684 7646526 15293052