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25252433 = 415311621
BaseRepresentation
bin110000001010…
…1001001010001
31202111221211022
41200111021101
522431034213
62301125225
7424433153
oct140251121
952457738
1025252433
1113288588
128559815
13530208b
1434d4ad3
15233c308
hex1815251

25252433 has 8 divisors (see below), whose sum is σ = 26358696. Its totient is φ = 24169600.

The previous prime is 25252363. The next prime is 25252439. The reversal of 25252433 is 33425252.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 25230529 = 148^2 + 5023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25252433 - 212 = 25248337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (3294837).

Almost surely, 225252433 is an apocalyptic number.

It is an amenable number.

25252433 is a deficient number, since it is larger than the sum of its proper divisors (1106263).

25252433 is a wasteful number, since it uses less digits than its factorization.

25252433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715.

The product of its digits is 7200, while the sum is 26.

The square root of 25252433 is about 5025.1798972773. The cubic root of 25252433 is about 293.3826379186.

Adding to 25252433 its reverse (33425252), we get a palindrome (58677685).

The spelling of 25252433 in words is "twenty-five million, two hundred fifty-two thousand, four hundred thirty-three".

Divisors: 1 41 53 2173 11621 476461 615913 25252433