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25084428 = 22318111549
BaseRepresentation
bin101111110110…
…0001000001100
31202012102100220
41133230020030
522410200203
62253351340
7423133305
oct137541014
952172326
1025084428
1113183336
128498550
135273775
14348d7ac
152307653
hex17ec20c

25084428 has 24 divisors (see below), whose sum is σ = 58858800. Its totient is φ = 8314560.

The previous prime is 25084399. The next prime is 25084429. The reversal of 25084428 is 82448052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25084429) 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, 3603 + ... + 7946.

It is an arithmetic number, because the mean of its divisors is an integer number (2452450).

Almost surely, 225084428 is an apocalyptic number.

It is an amenable number.

25084428 is an abundant number, since it is smaller than the sum of its proper divisors (33774372).

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

25084428 is a wasteful number, since it uses less digits than its factorization.

25084428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737 (or 11735 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 25084428 is about 5008.4356839237. The cubic root of 25084428 is about 292.7305626050.

The spelling of 25084428 in words is "twenty-five million, eighty-four thousand, four hundred twenty-eight".