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25448268 = 2235340013
BaseRepresentation
bin110000100010…
…0111101001100
31202212220110110
41201010331030
523003321033
62305240020
7426210126
oct141047514
952786413
1025448268
111340172a
128633010
135370261
143546216
15237a363
hex1844f4c

25448268 has 24 divisors (see below), whose sum is σ = 60501168. Its totient is φ = 8322496.

The previous prime is 25448261. The next prime is 25448299. The reversal of 25448268 is 86284452.

It is a super-2 number, since 2×254482682 = 1295228688399648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25448261) 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 7 ways as a sum of consecutive naturals, for example, 19371 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882).

Almost surely, 225448268 is an apocalyptic number.

It is an amenable number.

25448268 is an abundant number, since it is smaller than the sum of its proper divisors (35052900).

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

25448268 is a wasteful number, since it uses less digits than its factorization.

25448268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073 (or 40071 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 25448268 is about 5044.6276373980. The cubic root of 25448268 is about 294.1390891693.

The spelling of 25448268 in words is "twenty-five million, four hundred forty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 40013 80026 120039 160052 240078 480156 2120689 4241378 6362067 8482756 12724134 25448268