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25298241 = 38432747
BaseRepresentation
bin110000010000…
…0010101000001
31202121021122220
41200200111001
522434020431
62302121253
7425013543
oct140402501
952537586
1025298241
1113309a41
128580229
135319b97
143507693
15234ab96
hex1820541

25298241 has 4 divisors (see below), whose sum is σ = 33730992. Its totient is φ = 16865492.

The previous prime is 25298213. The next prime is 25298243. The reversal of 25298241 is 14289252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25298241 - 27 = 25298113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25298243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216371 + ... + 4216376.

It is an arithmetic number, because the mean of its divisors is an integer number (8432748).

Almost surely, 225298241 is an apocalyptic number.

It is an amenable number.

25298241 is a deficient number, since it is larger than the sum of its proper divisors (8432751).

25298241 is an equidigital number, since it uses as much as digits as its factorization.

25298241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432750.

The product of its digits is 11520, while the sum is 33.

The square root of 25298241 is about 5029.7356789398. The cubic root of 25298241 is about 293.5599297960.

The spelling of 25298241 in words is "twenty-five million, two hundred ninety-eight thousand, two hundred forty-one".

Divisors: 1 3 8432747 25298241