Search a number
-
+
255134917 = 1394873769
BaseRepresentation
bin11110011010100…
…00110011000101
3122210002012022101
433031100303011
51010303304132
641152232101
76215416402
oct1715206305
9583065271
10255134917
11121020704
127153b631
1340b1ca0b
1425c552a9
15175ea7e7
hexf350cc5

255134917 has 8 divisors (see below), whose sum is σ = 257566400. Its totient is φ = 252712224.

The previous prime is 255134911. The next prime is 255134959. The reversal of 255134917 is 719431552.

255134917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255134917 - 23 = 255134909 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 (255134911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65809 + ... + 69577.

It is an arithmetic number, because the mean of its divisors is an integer number (32195800).

Almost surely, 2255134917 is an apocalyptic number.

It is an amenable number.

255134917 is a deficient number, since it is larger than the sum of its proper divisors (2431483).

255134917 is a wasteful number, since it uses less digits than its factorization.

255134917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395.

The product of its digits is 37800, while the sum is 37.

The square root of 255134917 is about 15972.9432791831. The cubic root of 255134917 is about 634.2443877669.

The spelling of 255134917 in words is "two hundred fifty-five million, one hundred thirty-four thousand, nine hundred seventeen".

Divisors: 1 139 487 3769 67693 523891 1835503 255134917