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25232863 = 231097081
BaseRepresentation
bin110000001000…
…0010111011111
31202110221222111
41200100113133
522424422423
62300454451
7424322125
oct140202737
952427874
1025232863
1113274907
12854a427
1352c61b6
1434cb915
15233660d
hex18105df

25232863 has 4 divisors (see below), whose sum is σ = 26329968. Its totient is φ = 24135760.

The previous prime is 25232861. The next prime is 25232881. The reversal of 25232863 is 36823252.

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

It is a cyclic number.

It is not a de Polignac number, because 25232863 - 21 = 25232861 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232861) 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, 548518 + ... + 548563.

It is an arithmetic number, because the mean of its divisors is an integer number (6582492).

Almost surely, 225232863 is an apocalyptic number.

25232863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25232863 is a deficient number, since it is larger than the sum of its proper divisors (1097105).

25232863 is a wasteful number, since it uses less digits than its factorization.

25232863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097104.

The product of its digits is 17280, while the sum is 31.

The square root of 25232863 is about 5023.2323259033. The cubic root of 25232863 is about 293.3068302788.

The spelling of 25232863 in words is "twenty-five million, two hundred thirty-two thousand, eight hundred sixty-three".

Divisors: 1 23 1097081 25232863