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25381893 = 39787223
BaseRepresentation
bin110000011010…
…0110000000101
31202202112102010
41200310300011
522444210033
62304004433
7425512455
oct140646005
952675363
1025381893
1113366879
128600719
135348c94
143529d65
152365863
hex1834c05

25381893 has 8 divisors (see below), whose sum is σ = 34191808. Its totient is φ = 16746624.

The previous prime is 25381877. The next prime is 25381897. The reversal of 25381893 is 39818352.

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

It is not a de Polignac number, because 25381893 - 24 = 25381877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25381897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43321 + ... + 43902.

It is an arithmetic number, because the mean of its divisors is an integer number (4273976).

Almost surely, 225381893 is an apocalyptic number.

It is an amenable number.

25381893 is a deficient number, since it is larger than the sum of its proper divisors (8809915).

25381893 is an equidigital number, since it uses as much as digits as its factorization.

25381893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87323.

The product of its digits is 51840, while the sum is 39.

The square root of 25381893 is about 5038.0445611368. The cubic root of 25381893 is about 293.8831388022.

The spelling of 25381893 in words is "twenty-five million, three hundred eighty-one thousand, eight hundred ninety-three".

Divisors: 1 3 97 291 87223 261669 8460631 25381893