Search a number
-
+
12745542 = 2319234861
BaseRepresentation
bin110000100111…
…101101000110
3212222112121010
4300213231012
511230324132
61133103050
7213223005
oct60475506
925875533
1012745542
117215a07
124327a86
132843454
14199ac3c
1511bb6cc
hexc27b46

12745542 has 32 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 3849120.

The previous prime is 12745541. The next prime is 12745549. The reversal of 12745542 is 24554721.

12745542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (875160).

Almost surely, 212745542 is an apocalyptic number.

12745542 is an abundant number, since it is smaller than the sum of its proper divisors (15259578).

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

12745542 is a wasteful number, since it uses less digits than its factorization.

12745542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its digits is 11200, while the sum is 30.

The square root of 12745542 is about 3570.0899148341. The cubic root of 12745542 is about 233.5892054771.

The spelling of 12745542 in words is "twelve million, seven hundred forty-five thousand, five hundred forty-two".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 874 1311 2622 4861 9722 14583 29166 92359 111803 184718 223606 277077 335409 554154 670818 2124257 4248514 6372771 12745542