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25795243 = 64739869
BaseRepresentation
bin110001001100…
…1101010101011
31210112112102101
41202121222223
523100421433
62320514231
7432153535
oct142315253
953475371
1025795243
1113619391
12877b977
135462176
1435d6855
1523e807d
hex1899aab

25795243 has 4 divisors (see below), whose sum is σ = 25835760. Its totient is φ = 25754728.

The previous prime is 25795229. The next prime is 25795261. The reversal of 25795243 is 34259752.

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-25795243 is a prime.

It is a super-2 number, since 2×257952432 = 1330789122858098, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (25795283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19288 + ... + 20581.

It is an arithmetic number, because the mean of its divisors is an integer number (6458940).

Almost surely, 225795243 is an apocalyptic number.

25795243 is a deficient number, since it is larger than the sum of its proper divisors (40517).

25795243 is an equidigital number, since it uses as much as digits as its factorization.

25795243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516.

The product of its digits is 75600, while the sum is 37.

The square root of 25795243 is about 5078.9017513632. The cubic root of 25795243 is about 295.4698745728.

The spelling of 25795243 in words is "twenty-five million, seven hundred ninety-five thousand, two hundred forty-three".

Divisors: 1 647 39869 25795243