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25283 = 131193
BaseRepresentation
bin110001011000011
31021200102
412023003
51302113
6313015
7133466
oct61303
937612
1025283
1117aa5
121276b
13b67b
1492dd
157758
hex62c3

25283 has 4 divisors (see below), whose sum is σ = 25608. Its totient is φ = 24960.

The previous prime is 25261. The next prime is 25301. The reversal of 25283 is 38252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25283 - 26 = 25219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (25243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 227.

It is an arithmetic number, because the mean of its divisors is an integer number (6402).

225283 is an apocalyptic number.

25283 is a deficient number, since it is larger than the sum of its proper divisors (325).

25283 is a wasteful number, since it uses less digits than its factorization.

25283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 480, while the sum is 20.

The square root of 25283 is about 159.0062891838. The cubic root of 25283 is about 29.3500965938.

The spelling of 25283 in words is "twenty-five thousand, two hundred eighty-three".

Divisors: 1 131 193 25283