Search a number
-
+
15134388 = 2231261199
BaseRepresentation
bin111001101110…
…111010110100
31001110220110220
4321232322310
512333300023
61300214340
7242432403
oct71567264
931426426
1015134388
1185a7765
12509a3b0
13319b879
14201d63a
1514de3e3
hexe6eeb4

15134388 has 12 divisors (see below), whose sum is σ = 35313600. Its totient is φ = 5044792.

The previous prime is 15134351. The next prime is 15134411. The reversal of 15134388 is 88343151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630588 + ... + 630611.

It is an arithmetic number, because the mean of its divisors is an integer number (2942800).

Almost surely, 215134388 is an apocalyptic number.

It is an amenable number.

15134388 is an abundant number, since it is smaller than the sum of its proper divisors (20179212).

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

15134388 is a wasteful number, since it uses less digits than its factorization.

15134388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261206 (or 1261204 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 15134388 is about 3890.2940762878. The cubic root of 15134388 is about 247.3555283775.

The spelling of 15134388 in words is "fifteen million, one hundred thirty-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1261199 2522398 3783597 5044796 7567194 15134388