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255313101 = 385104367
BaseRepresentation
bin11110011011111…
…00010011001101
3122210102020201210
433031330103031
51010330004401
641200125033
76220061031
oct1715742315
9583366653
10255313101
1112113256a
1271606779
1340b82b54
1425ca01c1
15176334d6
hexf37c4cd

255313101 has 4 divisors (see below), whose sum is σ = 340417472. Its totient is φ = 170208732.

The previous prime is 255313099. The next prime is 255313111. The reversal of 255313101 is 101313552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255313101 - 21 = 255313099 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 (255313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42552181 + ... + 42552186.

It is an arithmetic number, because the mean of its divisors is an integer number (85104368).

Almost surely, 2255313101 is an apocalyptic number.

It is an amenable number.

255313101 is a deficient number, since it is larger than the sum of its proper divisors (85104371).

255313101 is an equidigital number, since it uses as much as digits as its factorization.

255313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85104370.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 255313101 is about 15978.5199877836. The cubic root of 255313101 is about 634.3920036566.

Adding to 255313101 its reverse (101313552), we get a palindrome (356626653).

The spelling of 255313101 in words is "two hundred fifty-five million, three hundred thirteen thousand, one hundred one".

Divisors: 1 3 85104367 255313101