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25250263 = 188913367
BaseRepresentation
bin110000001010…
…0100111010111
31202111211211221
41200110213113
522431002023
62301111211
7424423633
oct140244727
952454757
1025250263
1113286995
128558507
1353010ac
1434d3dc3
15233b85d
hex18149d7

25250263 has 4 divisors (see below), whose sum is σ = 25265520. Its totient is φ = 25235008.

The previous prime is 25250261. The next prime is 25250299. The reversal of 25250263 is 36205252.

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 25250263 - 21 = 25250261 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 (25250261) 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, 4795 + ... + 8572.

It is an arithmetic number, because the mean of its divisors is an integer number (6316380).

Almost surely, 225250263 is an apocalyptic number.

25250263 is a deficient number, since it is larger than the sum of its proper divisors (15257).

25250263 is a wasteful number, since it uses less digits than its factorization.

25250263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15256.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25250263 is about 5024.9639799704. The cubic root of 25250263 is about 293.3742339949.

The spelling of 25250263 in words is "twenty-five million, two hundred fifty thousand, two hundred sixty-three".

Divisors: 1 1889 13367 25250263