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25003013 = 74775997
BaseRepresentation
bin101111101100…
…0010000000101
31202001021200112
41133120100011
522400044023
62251522405
7422344040
oct137302005
952037615
1025003013
1113128152
128459405
1352456a9
14346bc57
1522dd478
hex17d8405

25003013 has 8 divisors (see below), whose sum is σ = 29183232. Its totient is φ = 20974896.

The previous prime is 25003007. The next prime is 25003021. The reversal of 25003013 is 31030052.

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 25003013 - 212 = 24998917 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 (25003063) 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 7 ways as a sum of consecutive naturals, for example, 37670 + ... + 38327.

It is an arithmetic number, because the mean of its divisors is an integer number (3647904).

Almost surely, 225003013 is an apocalyptic number.

It is an amenable number.

25003013 is a deficient number, since it is larger than the sum of its proper divisors (4180219).

25003013 is an equidigital number, since it uses as much as digits as its factorization.

25003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76051.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 25003013 is about 5000.3012909224. The cubic root of 25003013 is about 292.4135201033.

Adding to 25003013 its reverse (31030052), we get a palindrome (56033065).

The spelling of 25003013 in words is "twenty-five million, three thousand, thirteen".

Divisors: 1 7 47 329 75997 531979 3571859 25003013