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25243255 = 56775353
BaseRepresentation
bin110000001001…
…0111001110111
31202111111020101
41200102321313
522430241010
62301014531
7424364332
oct140227167
952444211
1025243255
11132816a4
128554447
1352cab4b
1434d1619
15233973a
hex1812e77

25243255 has 8 divisors (see below), whose sum is σ = 30744432. Its totient is φ = 19892928.

The previous prime is 25243243. The next prime is 25243261. The reversal of 25243255 is 55234252.

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

It is a cyclic number.

It is not a de Polignac number, because 25243255 - 211 = 25241207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37342 + ... + 38011.

It is an arithmetic number, because the mean of its divisors is an integer number (3843054).

Almost surely, 225243255 is an apocalyptic number.

25243255 is a deficient number, since it is larger than the sum of its proper divisors (5501177).

25243255 is an equidigital number, since it uses as much as digits as its factorization.

25243255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75425.

The product of its digits is 12000, while the sum is 28.

The square root of 25243255 is about 5024.2666131486. The cubic root of 25243255 is about 293.3470902926.

The spelling of 25243255 in words is "twenty-five million, two hundred forty-three thousand, two hundred fifty-five".

Divisors: 1 5 67 335 75353 376765 5048651 25243255