Search a number
-
+
255896261 = 2919146199
BaseRepresentation
bin11110100000010…
…10101011000101
3122211111212200022
433100022223011
51011002140021
641220424525
76225040145
oct1720125305
9584455608
10255896261
111214a0715
1271848145
134102840a
1425db2925
15176eb1ab
hexf40aac5

255896261 has 8 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 245773360.

The previous prime is 255896231. The next prime is 255896269. The reversal of 255896261 is 162698552.

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 255896261 - 26 = 255896197 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 (255896269) 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, 17561 + ... + 28638.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2255896261 is an apocalyptic number.

It is an amenable number.

255896261 is a deficient number, since it is larger than the sum of its proper divisors (10215739).

255896261 is a wasteful number, since it uses less digits than its factorization.

255896261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46419.

The product of its digits is 259200, while the sum is 44.

The square root of 255896261 is about 15996.7578277600. The cubic root of 255896261 is about 634.8746407630.

The spelling of 255896261 in words is "two hundred fifty-five million, eight hundred ninety-six thousand, two hundred sixty-one".

Divisors: 1 29 191 5539 46199 1339771 8824009 255896261