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25248983 = 227111229
BaseRepresentation
bin110000001010…
…0010011010111
31202111210002112
41200110103113
522430431413
62301101235
7424420124
oct140242327
952453075
1025248983
1113285a31
12855781b
135300636
1434d374b
15233b2a8
hex18144d7

25248983 has 4 divisors (see below), whose sum is σ = 25360440. Its totient is φ = 25137528.

The previous prime is 25248947. The next prime is 25249027. The reversal of 25248983 is 38984252.

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 25248983 - 26 = 25248919 is a prime.

It is a super-2 number, since 2×252489832 = 1275022285068578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25248983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75248983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55388 + ... + 55841.

It is an arithmetic number, because the mean of its divisors is an integer number (6340110).

Almost surely, 225248983 is an apocalyptic number.

25248983 is a deficient number, since it is larger than the sum of its proper divisors (111457).

25248983 is a wasteful number, since it uses less digits than its factorization.

25248983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111456.

The product of its digits is 138240, while the sum is 41.

The square root of 25248983 is about 5024.8366142592. The cubic root of 25248983 is about 293.3692766160.

The spelling of 25248983 in words is "twenty-five million, two hundred forty-eight thousand, nine hundred eighty-three".

Divisors: 1 227 111229 25248983