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25675120 = 245320939
BaseRepresentation
bin110000111110…
…0010101110000
31210022102122101
41201330111300
523033100440
62314150144
7431143402
oct141742560
953272571
1025675120
1113547109
128722354
13541c5a3
1435a4b72
1523c269a
hex187c570

25675120 has 20 divisors (see below), whose sum is σ = 59694840. Its totient is φ = 10270016.

The previous prime is 25675093. The next prime is 25675123. The reversal of 25675120 is 2157652.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25675123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160390 + ... + 160549.

It is an arithmetic number, because the mean of its divisors is an integer number (2984742).

Almost surely, 225675120 is an apocalyptic number.

25675120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25675120 is an abundant number, since it is smaller than the sum of its proper divisors (34019720).

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

25675120 is a wasteful number, since it uses less digits than its factorization.

25675120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320952 (or 320946 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25675120 is about 5067.0622652578. The cubic root of 25675120 is about 295.0105138453.

The spelling of 25675120 in words is "twenty-five million, six hundred seventy-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 320939 641878 1283756 1604695 2567512 3209390 5135024 6418780 12837560 25675120