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255804107 = 1319677239
BaseRepresentation
bin11110011111101…
…00001011001011
3122211100012021012
433033310023023
51010441212412
641214434135
76224204366
oct1717641313
9584305235
10255804107
11121438459
127180294b
1340cc54a0
1425d8b0dd
15176cdc22
hexf3f42cb

255804107 has 4 divisors (see below), whose sum is σ = 275481360. Its totient is φ = 236126856.

The previous prime is 255804079. The next prime is 255804121. The reversal of 255804107 is 701408552.

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

It is a cyclic number.

It is not a de Polignac number, because 255804107 - 212 = 255800011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255804167) 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, 9838607 + ... + 9838632.

It is an arithmetic number, because the mean of its divisors is an integer number (68870340).

Almost surely, 2255804107 is an apocalyptic number.

255804107 is a deficient number, since it is larger than the sum of its proper divisors (19677253).

255804107 is a wasteful number, since it uses less digits than its factorization.

255804107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677252.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 255804107 is about 15993.8771722181. The cubic root of 255804107 is about 634.7984207329.

The spelling of 255804107 in words is "two hundred fifty-five million, eight hundred four thousand, one hundred seven".

Divisors: 1 13 19677239 255804107