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25242959 = 731611907
BaseRepresentation
bin110000001001…
…0110101001111
31202111110211102
41200102311033
522430233314
62301013315
7424363430
oct140226517
952443742
1025242959
1113281455
12855423b
1352ca981
1434d1487
1523395de
hex1812d4f

25242959 has 16 divisors (see below), whose sum is σ = 30283776. Its totient is φ = 20584800.

The previous prime is 25242953. The next prime is 25242961. The reversal of 25242959 is 95924252.

It is a cyclic number.

It is not a de Polignac number, because 25242959 - 28 = 25242703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242953) 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, 12284 + ... + 14190.

It is an arithmetic number, because the mean of its divisors is an integer number (1892736).

Almost surely, 225242959 is an apocalyptic number.

25242959 is a deficient number, since it is larger than the sum of its proper divisors (5040817).

25242959 is a wasteful number, since it uses less digits than its factorization.

25242959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006.

The product of its digits is 64800, while the sum is 38.

The square root of 25242959 is about 5024.2371560268. The cubic root of 25242959 is about 293.3459437014.

The spelling of 25242959 in words is "twenty-five million, two hundred forty-two thousand, nine hundred fifty-nine".

Divisors: 1 7 31 61 217 427 1891 1907 13237 13349 59117 116327 413819 814289 3606137 25242959