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255432155 = 5114644221
BaseRepresentation
bin11110011100110…
…01010111011011
3122210122022001012
433032121113123
51010342312110
641202444135
76221065106
oct1716312733
9583568035
10255432155
11121203a60
127166364b
1340bc50b4
1425cd173d
1517658905
hexf3995db

255432155 has 8 divisors (see below), whose sum is σ = 334383984. Its totient is φ = 185768800.

The previous prime is 255432119. The next prime is 255432167. The reversal of 255432155 is 551234552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255432155 - 28 = 255431899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322056 + ... + 2322165.

It is an arithmetic number, because the mean of its divisors is an integer number (41797998).

Almost surely, 2255432155 is an apocalyptic number.

255432155 is a deficient number, since it is larger than the sum of its proper divisors (78951829).

255432155 is a wasteful number, since it uses less digits than its factorization.

255432155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644237.

The product of its digits is 30000, while the sum is 32.

The square root of 255432155 is about 15982.2449924909. The cubic root of 255432155 is about 634.4905952406.

The spelling of 255432155 in words is "two hundred fifty-five million, four hundred thirty-two thousand, one hundred fifty-five".

Divisors: 1 5 11 55 4644221 23221105 51086431 255432155