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25475442 = 234245907
BaseRepresentation
bin110000100101…
…1100101110010
31202221021201220
41201023211302
523010203232
62310005510
7426352266
oct141134562
952837656
1025475442
1113420093
128646896
13537c735
1435520a6
15238342c
hex184b972

25475442 has 8 divisors (see below), whose sum is σ = 50950896. Its totient is φ = 8491812.

The previous prime is 25475407. The next prime is 25475453. The reversal of 25475442 is 24457452.

25475442 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

25475442 is an admirable 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, 2122948 + ... + 2122959.

It is an arithmetic number, because the mean of its divisors is an integer number (6368862).

Almost surely, 225475442 is an apocalyptic number.

25475442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25475442 is a wasteful number, since it uses less digits than its factorization.

25475442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245912.

The product of its digits is 44800, while the sum is 33.

The square root of 25475442 is about 5047.3202791184. The cubic root of 25475442 is about 294.2437471406.

The spelling of 25475442 in words is "twenty-five million, four hundred seventy-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 4245907 8491814 12737721 25475442