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25061964 = 2232088497
BaseRepresentation
bin101111110011…
…0101001001100
31202011021112220
41133212221030
522403440324
62253055340
7423010644
oct137465114
952137486
1025061964
1113168474
128487550
135266485
143485524
152300b79
hex17e6a4c

25061964 has 12 divisors (see below), whose sum is σ = 58477944. Its totient is φ = 8353984.

The previous prime is 25061957. The next prime is 25061977. The reversal of 25061964 is 46916052.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044237 + ... + 1044260.

It is an arithmetic number, because the mean of its divisors is an integer number (4873162).

Almost surely, 225061964 is an apocalyptic number.

It is an amenable number.

25061964 is an abundant number, since it is smaller than the sum of its proper divisors (33415980).

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

25061964 is a wasteful number, since it uses less digits than its factorization.

25061964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088504 (or 2088502 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25061964 is about 5006.1925652136. The cubic root of 25061964 is about 292.6431529536.

The spelling of 25061964 in words is "twenty-five million, sixty-one thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 2088497 4176994 6265491 8353988 12530982 25061964