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25041243 = 38347081
BaseRepresentation
bin101111110000…
…1100101011011
31202010020010110
41133201211123
522402304433
62252415403
7422563353
oct137414533
952106113
1025041243
1113153947
128477563
135259c06
14347bb63
1522e9963
hex17e195b

25041243 has 4 divisors (see below), whose sum is σ = 33388328. Its totient is φ = 16694160.

The previous prime is 25041217. The next prime is 25041251. The reversal of 25041243 is 34214052.

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

It is not a de Polignac number, because 25041243 - 28 = 25040987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25041253) 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, 4173538 + ... + 4173543.

It is an arithmetic number, because the mean of its divisors is an integer number (8347082).

Almost surely, 225041243 is an apocalyptic number.

25041243 is a deficient number, since it is larger than the sum of its proper divisors (8347085).

25041243 is an equidigital number, since it uses as much as digits as its factorization.

25041243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347084.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25041243 is about 5004.1226004166. The cubic root of 25041243 is about 292.5624791655.

Adding to 25041243 its reverse (34214052), we get a palindrome (59255295).

The spelling of 25041243 in words is "twenty-five million, forty-one thousand, two hundred forty-three".

Divisors: 1 3 8347081 25041243