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258568132 = 22535212341
BaseRepresentation
bin11110110100101…
…10111111000100
3200000112121210111
433122112333010
51012143140012
641354002404
76256535644
oct1732267704
9600477714
10258568132
11122a56079
1272716404
13417525c4
14264aa524
1517a77ba7
hexf696fc4

258568132 has 24 divisors (see below), whose sum is σ = 462114072. Its totient is φ = 126547200.

The previous prime is 258568129. The next prime is 258568133. The reversal of 258568132 is 231865852.

It can be written as a sum of positive squares in 4 ways, for example, as 53963716 + 204604416 = 7346^2 + 14304^2 .

It is not an unprimeable number, because it can be changed into a prime (258568133) 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 7 ways as a sum of consecutive naturals, for example, 109282 + ... + 111622.

It is an arithmetic number, because the mean of its divisors is an integer number (19254753).

Almost surely, 2258568132 is an apocalyptic number.

It is an amenable number.

258568132 is a deficient number, since it is larger than the sum of its proper divisors (203545940).

258568132 is a wasteful number, since it uses less digits than its factorization.

258568132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919 (or 2917 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 258568132 is about 16080.0538556312. The cubic root of 258568132 is about 637.0766181262.

The spelling of 258568132 in words is "two hundred fifty-eight million, five hundred sixty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 53 106 212 521 1042 2084 2341 4682 9364 27613 55226 110452 124073 248146 496292 1219661 2439322 4878644 64642033 129284066 258568132