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255201313 = 1073117669
BaseRepresentation
bin11110011011000…
…01000000100001
3122210012120101111
433031201000201
51010312420223
641153503321
76216114103
oct1715410041
9583176344
10255201313
11121066584
1271571b41
1340b43cc3
1425c71573
151761030d
hexf361021

255201313 has 8 divisors (see below), whose sum is σ = 258448320. Its totient is φ = 251970480.

The previous prime is 255201311. The next prime is 255201319. The reversal of 255201313 is 313102552.

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 255201313 - 21 = 255201311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255201311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29443 + ... + 37111.

It is an arithmetic number, because the mean of its divisors is an integer number (32306040).

Almost surely, 2255201313 is an apocalyptic number.

It is an amenable number.

255201313 is a deficient number, since it is larger than the sum of its proper divisors (3247007).

255201313 is a wasteful number, since it uses less digits than its factorization.

255201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 255201313 is about 15975.0215336318. The cubic root of 255201313 is about 634.2994013239.

Adding to 255201313 its reverse (313102552), we get a palindrome (568303865).

The spelling of 255201313 in words is "two hundred fifty-five million, two hundred one thousand, three hundred thirteen".

Divisors: 1 107 311 7669 33277 820583 2385059 255201313