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242255253 = 3174750103
BaseRepresentation
bin11100111000010…
…00010110010101
3121212211211201210
432130020112111
5444004132003
640012212033
76001064352
oct1634102625
9555754653
10242255253
11114823a59
126916a019
133b260506
1424261629
1516404503
hexe708595

242255253 has 8 divisors (see below), whose sum is σ = 342007488. Its totient is φ = 152003264.

The previous prime is 242255231. The next prime is 242255257. The reversal of 242255253 is 352552242.

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 242255253 - 218 = 241993109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242255253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242255257) 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 7 ways as a sum of consecutive naturals, for example, 2375001 + ... + 2375102.

It is an arithmetic number, because the mean of its divisors is an integer number (42750936).

Almost surely, 2242255253 is an apocalyptic number.

It is an amenable number.

242255253 is a deficient number, since it is larger than the sum of its proper divisors (99752235).

242255253 is a wasteful number, since it uses less digits than its factorization.

242255253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750123.

The product of its digits is 24000, while the sum is 30.

The square root of 242255253 is about 15564.5511660311. The cubic root of 242255253 is about 623.3869899255.

It can be divided in two parts, 2422 and 55253, that added together give a palindrome (57675).

The spelling of 242255253 in words is "two hundred forty-two million, two hundred fifty-five thousand, two hundred fifty-three".

Divisors: 1 3 17 51 4750103 14250309 80751751 242255253