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25075132 = 226479689
BaseRepresentation
bin101111110100…
…1110110111100
31202011221121121
41133221312330
522404401012
62253240324
7423064225
oct137516674
952157547
1025075132
1113177355
1284930a4
13526c474
14348a24c
152304a07
hex17e9dbc

25075132 has 12 divisors (see below), whose sum is σ = 43953840. Its totient is φ = 12516896.

The previous prime is 25075121. The next prime is 25075147. The reversal of 25075132 is 23157052.

It is a junction number, because it is equal to n+sod(n) for n = 25075097 and 25075106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (3662820).

Almost surely, 225075132 is an apocalyptic number.

It is an amenable number.

25075132 is a deficient number, since it is larger than the sum of its proper divisors (18878708).

25075132 is a wasteful number, since it uses less digits than its factorization.

25075132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340 (or 10338 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 25075132 is about 5007.5075636488. The cubic root of 25075132 is about 292.6943972792.

The spelling of 25075132 in words is "twenty-five million, seventy-five thousand, one hundred thirty-two".

Divisors: 1 2 4 647 1294 2588 9689 19378 38756 6268783 12537566 25075132