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25330304 = 27197893
BaseRepresentation
bin110000010100…
…0001010000000
31202122220122102
41200220022000
522441032204
62302525532
7425206166
oct140501200
952586572
1025330304
111333103a
1285968a8
13532b65c
143515236
15235541e
hex1828280

25330304 has 16 divisors (see below), whose sum is σ = 50462970. Its totient is φ = 12665088.

The previous prime is 25330273. The next prime is 25330351. The reversal of 25330304 is 40303352.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 7011904 = 4280^2 + 2648^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98819 + ... + 99074.

Almost surely, 225330304 is an apocalyptic number.

It is an amenable number.

25330304 is a deficient number, since it is larger than the sum of its proper divisors (25132666).

25330304 is an equidigital number, since it uses as much as digits as its factorization.

25330304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197907 (or 197895 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 25330304 is about 5032.9220140988. The cubic root of 25330304 is about 293.6838967600.

Adding to 25330304 its reverse (40303352), we get a palindrome (65633656).

The spelling of 25330304 in words is "twenty-five million, three hundred thirty thousand, three hundred four".

Divisors: 1 2 4 8 16 32 64 128 197893 395786 791572 1583144 3166288 6332576 12665152 25330304