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25275028 = 226318757
BaseRepresentation
bin110000001101…
…0101010010100
31202120002211011
41200122222110
522432300103
62301422004
7424556062
oct140325224
952502734
1025275028
11132a3559
12856a904
13530c44c
1434dd032
152343d6d
hex181aa94

25275028 has 6 divisors (see below), whose sum is σ = 44231306. Its totient is φ = 12637512.

The previous prime is 25275001. The next prime is 25275031. The reversal of 25275028 is 82057252.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 2883204 = 4732^2 + 1698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159375 + ... + 3159382.

Almost surely, 225275028 is an apocalyptic number.

It is an amenable number.

25275028 is a deficient number, since it is larger than the sum of its proper divisors (18956278).

25275028 is a wasteful number, since it uses less digits than its factorization.

25275028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318761 (or 6318759 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 25275028 is about 5027.4275728249. The cubic root of 25275028 is about 293.4701146984.

The spelling of 25275028 in words is "twenty-five million, two hundred seventy-five thousand, twenty-eight".

Divisors: 1 2 4 6318757 12637514 25275028