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25442484 = 2232120207
BaseRepresentation
bin110000100001…
…1100010110100
31202212121112020
41201003202310
523003124414
62305153140
7426154224
oct141034264
952777466
1025442484
11133a8351
12862b7b0
13536a732
143544084
1523787a9
hex18438b4

25442484 has 12 divisors (see below), whose sum is σ = 59365824. Its totient is φ = 8480824.

The previous prime is 25442479. The next prime is 25442497. The reversal of 25442484 is 48424452.

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

It is a congruent number.

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, 1060092 + ... + 1060115.

It is an arithmetic number, because the mean of its divisors is an integer number (4947152).

Almost surely, 225442484 is an apocalyptic number.

It is an amenable number.

25442484 is an abundant number, since it is smaller than the sum of its proper divisors (33923340).

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

25442484 is a wasteful number, since it uses less digits than its factorization.

25442484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120214 (or 2120212 counting only the distinct ones).

The product of its digits is 40960, while the sum is 33.

The square root of 25442484 is about 5044.0543216742. The cubic root of 25442484 is about 294.1168030501.

The spelling of 25442484 in words is "twenty-five million, four hundred forty-two thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 2120207 4240414 6360621 8480828 12721242 25442484