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255239201 = 766155163
BaseRepresentation
bin11110011011010…
…10010000100001
3122210021111100202
433031222100201
51010320123301
641154354545
76216332420
oct1715522041
9583244322
10255239201
11121091a98
127158ba55
1340b58319
1425c812b7
151761b66b
hexf36a421

255239201 has 8 divisors (see below), whose sum is σ = 292148544. Its totient is φ = 218441520.

The previous prime is 255239197. The next prime is 255239203. The reversal of 255239201 is 102932552.

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 255239201 - 22 = 255239197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255239203) 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, 22955 + ... + 32208.

It is an arithmetic number, because the mean of its divisors is an integer number (36518568).

Almost surely, 2255239201 is an apocalyptic number.

It is an amenable number.

255239201 is a deficient number, since it is larger than the sum of its proper divisors (36909343).

255239201 is an equidigital number, since it uses as much as digits as its factorization.

255239201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55831.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 255239201 is about 15976.2073409179. The cubic root of 255239201 is about 634.3307898073.

The spelling of 255239201 in words is "two hundred fifty-five million, two hundred thirty-nine thousand, two hundred one".

Divisors: 1 7 661 4627 55163 386141 36462743 255239201