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24995028 = 22315713267
BaseRepresentation
bin101111101011…
…0010011010100
31202000212201210
41133112103110
522344320103
62251421420
7422311542
oct137262324
952025653
1024995028
1113122153
128454870
135241b76
143468d92
1522dae03
hex17d64d4

24995028 has 24 divisors (see below), whose sum is σ = 58697632. Its totient is φ = 8277984.

The previous prime is 24994979. The next prime is 24995029. The reversal of 24995028 is 82059942.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24995029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750 + ... + 8517.

Almost surely, 224995028 is an apocalyptic number.

It is an amenable number.

24995028 is an abundant number, since it is smaller than the sum of its proper divisors (33702604).

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

24995028 is a wasteful number, since it uses less digits than its factorization.

24995028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431 (or 13429 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 24995028 is about 4999.5027752768. The cubic root of 24995028 is about 292.3823882478.

The spelling of 24995028 in words is "twenty-four million, nine hundred ninety-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 13267 26534 39801 53068 79602 159204 2082919 4165838 6248757 8331676 12497514 24995028