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25972063 = 131997851
BaseRepresentation
bin110001100010…
…0110101011111
31210212111222021
41203010311133
523122101223
62324401011
7433521205
oct143046537
953774867
1025972063
111372a217
128846167
1354c47b0
143641075
15243065d
hex18c4d5f

25972063 has 4 divisors (see below), whose sum is σ = 27969928. Its totient is φ = 23974200.

The previous prime is 25972057. The next prime is 25972091. The reversal of 25972063 is 36027952.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25972063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25973063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998913 + ... + 998938.

It is an arithmetic number, because the mean of its divisors is an integer number (6992482).

Almost surely, 225972063 is an apocalyptic number.

25972063 is a deficient number, since it is larger than the sum of its proper divisors (1997865).

25972063 is a wasteful number, since it uses less digits than its factorization.

25972063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997864.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 25972063 is about 5096.2793290792. The cubic root of 25972063 is about 296.1434620800.

The spelling of 25972063 in words is "twenty-five million, nine hundred seventy-two thousand, sixty-three".

Divisors: 1 13 1997851 25972063