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25082992 = 2411532689
BaseRepresentation
bin101111110101…
…1110001110000
31202012100101201
41133223301300
522410123432
62253340544
7423126154
oct137536160
952170351
1025082992
1113182250
128497754
135272c0c
14348d064
152306ee7
hex17ebc70

25082992 has 40 divisors (see below), whose sum is σ = 54036720. Its totient is φ = 11182080.

The previous prime is 25082989. The next prime is 25083001. The reversal of 25082992 is 29928052.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7984 + ... + 10672.

It is an arithmetic number, because the mean of its divisors is an integer number (1350918).

Almost surely, 225082992 is an apocalyptic number.

25082992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25082992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27018360).

25082992 is an abundant number, since it is smaller than the sum of its proper divisors (28953728).

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

25082992 is a wasteful number, since it uses less digits than its factorization.

25082992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 25082992 is about 5008.2923237367. The cubic root of 25082992 is about 292.7249765483.

The spelling of 25082992 in words is "twenty-five million, eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 44 53 88 106 176 212 424 583 848 1166 2332 2689 4664 5378 9328 10756 21512 29579 43024 59158 118316 142517 236632 285034 473264 570068 1140136 1567687 2280272 3135374 6270748 12541496 25082992