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25304234 = 228014517
BaseRepresentation
bin110000010000…
…1110010101010
31202121120212212
41200201302222
522434213414
62302205122
7425040164
oct140416252
952546785
1025304234
111331349a
1285837a2
13531c827
143509934
15234c83e
hex1821caa

25304234 has 8 divisors (see below), whose sum is σ = 37978308. Its totient is φ = 12644800.

The previous prime is 25304233. The next prime is 25304249. The reversal of 25304234 is 43240352.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 3073009 = 4715^2 + 1753^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25304233) 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, 3344 + ... + 7860.

Almost surely, 225304234 is an apocalyptic number.

25304234 is a deficient number, since it is larger than the sum of its proper divisors (12674074).

25304234 is a wasteful number, since it uses less digits than its factorization.

25304234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 25304234 is about 5030.3314006137. The cubic root of 25304234 is about 293.5831088219.

Adding to 25304234 its reverse (43240352), we get a palindrome (68544586).

The spelling of 25304234 in words is "twenty-five million, three hundred four thousand, two hundred thirty-four".

Divisors: 1 2 2801 4517 5602 9034 12652117 25304234