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25401056 = 254716889
BaseRepresentation
bin110000011100…
…1011011100000
31202210111200212
41200321123200
523000313211
62304233252
7425622362
oct140713340
952714625
1025401056
111337a20a
12860b828
135354915
143532d32
15236b38b
hex18396e0

25401056 has 24 divisors (see below), whose sum is σ = 51075360. Its totient is φ = 12429568.

The previous prime is 25401053. The next prime is 25401091. The reversal of 25401056 is 65010452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25401053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6941 + ... + 9948.

It is an arithmetic number, because the mean of its divisors is an integer number (2128140).

Almost surely, 225401056 is an apocalyptic number.

It is an amenable number.

25401056 is an abundant number, since it is smaller than the sum of its proper divisors (25674304).

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

25401056 is a wasteful number, since it uses less digits than its factorization.

25401056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946 (or 16938 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25401056 is about 5039.9460314571. The cubic root of 25401056 is about 293.9570795166.

The spelling of 25401056 in words is "twenty-five million, four hundred one thousand, fifty-six".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 16889 33778 67556 135112 270224 540448 793783 1587566 3175132 6350264 12700528 25401056