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25895938 = 212947969
BaseRepresentation
bin110001011001…
…0010000000010
31210201122112211
41202302100002
523112132223
62323012334
7433053235
oct142622002
953648484
1025895938
1113688002
12880a0aa
135498c53
14362141c
152417d0d
hex18b2402

25895938 has 4 divisors (see below), whose sum is σ = 38843910. Its totient is φ = 12947968.

The previous prime is 25895929. The next prime is 25895939. The reversal of 25895938 is 83959852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 59049 = 5083^2 + 243^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25895891 and 25895900.

It is not an unprimeable number, because it can be changed into a prime (25895939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473983 + ... + 6473986.

Almost surely, 225895938 is an apocalyptic number.

25895938 is a deficient number, since it is larger than the sum of its proper divisors (12947972).

25895938 is a wasteful number, since it uses less digits than its factorization.

25895938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947971.

The product of its digits is 777600, while the sum is 49.

The square root of 25895938 is about 5088.8051642797. The cubic root of 25895938 is about 295.8538434148.

The spelling of 25895938 in words is "twenty-five million, eight hundred ninety-five thousand, nine hundred thirty-eight".

Divisors: 1 2 12947969 25895938