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255245255 = 551049051
BaseRepresentation
bin11110011011010…
…11101111000111
3122210021210122222
433031223233013
51010320322010
641154442555
76216356156
oct1715535707
9583253588
10255245255
111210965a1
127159345b
1340b5acc5
1425c8359d
151761d355
hexf36bbc7

255245255 has 4 divisors (see below), whose sum is σ = 306294312. Its totient is φ = 204196200.

The previous prime is 255245201. The next prime is 255245257. The reversal of 255245255 is 552542552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255245255 - 28 = 255244999 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 (255245257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25524521 + ... + 25524530.

It is an arithmetic number, because the mean of its divisors is an integer number (76573578).

Almost surely, 2255245255 is an apocalyptic number.

255245255 is a deficient number, since it is larger than the sum of its proper divisors (51049057).

255245255 is an equidigital number, since it uses as much as digits as its factorization.

255245255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51049056.

The product of its digits is 100000, while the sum is 35.

The square root of 255245255 is about 15976.3968090430. The cubic root of 255245255 is about 634.3358049829.

The spelling of 255245255 in words is "two hundred fifty-five million, two hundred forty-five thousand, two hundred fifty-five".

Divisors: 1 5 51049051 255245255