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255239132 = 2263809783
BaseRepresentation
bin11110011011010…
…10001111011100
3122210021111021012
433031222033130
51010320123012
641154354352
76216332261
oct1715521734
9583244235
10255239132
11121091a35
127158b9b8
1340b58295
1425c81268
151761b622
hexf36a3dc

255239132 has 6 divisors (see below), whose sum is σ = 446668488. Its totient is φ = 127619564.

The previous prime is 255239111. The next prime is 255239137. The reversal of 255239132 is 231932552.

It is a super-2 number, since 2×2552391322 = 130294029008226848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255239137) 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 as a sum of consecutive naturals, namely, 31904888 + ... + 31904895.

It is an arithmetic number, because the mean of its divisors is an integer number (74444748).

Almost surely, 2255239132 is an apocalyptic number.

It is an amenable number.

255239132 is a deficient number, since it is larger than the sum of its proper divisors (191429356).

255239132 is a wasteful number, since it uses less digits than its factorization.

255239132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63809787 (or 63809785 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 255239132 is about 15976.2051814566. The cubic root of 255239132 is about 634.3307326468.

The spelling of 255239132 in words is "two hundred fifty-five million, two hundred thirty-nine thousand, one hundred thirty-two".

Divisors: 1 2 4 63809783 127619566 255239132