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25259930 = 2519132947
BaseRepresentation
bin110000001011…
…0111110011010
31202112100002222
41200112332122
522431304210
62301224042
7424464053
oct140267632
952470088
1025259930
1113293183
128562022
135305607
1434d772a
15233e655
hex1816f9a

25259930 has 16 divisors (see below), whose sum is σ = 47861280. Its totient is φ = 9572112.

The previous prime is 25259893. The next prime is 25259951. The reversal of 25259930 is 3995252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66284 + ... + 66663.

It is an arithmetic number, because the mean of its divisors is an integer number (2991330).

Almost surely, 225259930 is an apocalyptic number.

25259930 is a deficient number, since it is larger than the sum of its proper divisors (22601350).

25259930 is a wasteful number, since it uses less digits than its factorization.

25259930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132973.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 25259930 is about 5025.9257853653. The cubic root of 25259930 is about 293.4116684152.

The spelling of 25259930 in words is "twenty-five million, two hundred fifty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 132947 265894 664735 1329470 2525993 5051986 12629965 25259930