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25230011 = 231096957
BaseRepresentation
bin110000000111…
…1101010111011
31202110211001212
41200033222323
522424330021
62300433335
7424310612
oct140175273
952424055
1025230011
1113272754
12854884b
1352c4b01
1434ca879
15233585b
hex180fabb

25230011 has 4 divisors (see below), whose sum is σ = 26326992. Its totient is φ = 24133032.

The previous prime is 25229999. The next prime is 25230017. The reversal of 25230011 is 11003252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25230011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25230017) 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, 548456 + ... + 548501.

It is an arithmetic number, because the mean of its divisors is an integer number (6581748).

Almost surely, 225230011 is an apocalyptic number.

25230011 is a deficient number, since it is larger than the sum of its proper divisors (1096981).

25230011 is a wasteful number, since it uses less digits than its factorization.

25230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096980.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 25230011 is about 5022.9484369243. The cubic root of 25230011 is about 293.2957793120.

Adding to 25230011 its reverse (11003252), we get a palindrome (36233263).

The spelling of 25230011 in words is "twenty-five million, two hundred thirty thousand, eleven".

Divisors: 1 23 1096957 25230011