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25245966 = 2331135731
BaseRepresentation
bin110000001001…
…1100100001110
31202111121221210
41200103210032
522430332331
62301035250
7424405254
oct140234416
952447853
1025245966
1113283739
128555b26
1352cc155
1434d25d4
15233a446
hex181390e

25245966 has 16 divisors (see below), whose sum is σ = 52121088. Its totient is φ = 8143800.

The previous prime is 25245959. The next prime is 25245971. The reversal of 25245966 is 66954252.

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, 67680 + ... + 68051.

It is an arithmetic number, because the mean of its divisors is an integer number (3257568).

Almost surely, 225245966 is an apocalyptic number.

25245966 is an abundant number, since it is smaller than the sum of its proper divisors (26875122).

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

25245966 is a wasteful number, since it uses less digits than its factorization.

25245966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135767.

The product of its digits is 129600, while the sum is 39.

The square root of 25245966 is about 5024.5363965246. The cubic root of 25245966 is about 293.3575912560.

The spelling of 25245966 in words is "twenty-five million, two hundred forty-five thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 31 62 93 186 135731 271462 407193 814386 4207661 8415322 12622983 25245966