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140264872 = 231110331543
BaseRepresentation
bin10000101110001…
…00010110101000
3100202221012020021
420113010112220
5241401433442
621530210224
73322142326
oct1027042650
9322835207
10140264872
11721a3090
123ab83974
13230a0a87
14148b2d16
15c4a9e67
hex85c45a8

140264872 has 32 divisors (see below), whose sum is σ = 287369280. Its totient is φ = 63653760.

The previous prime is 140264843. The next prime is 140264893. The reversal of 140264872 is 278462041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90133 + ... + 91675.

It is an arithmetic number, because the mean of its divisors is an integer number (8980290).

Almost surely, 2140264872 is an apocalyptic number.

It is an amenable number.

140264872 is an abundant number, since it is smaller than the sum of its proper divisors (147104408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140264872 is a wasteful number, since it uses less digits than its factorization.

140264872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593 (or 2589 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 140264872 is about 11843.3471620146. The cubic root of 140264872 is about 519.5766672921.

The spelling of 140264872 in words is "one hundred forty million, two hundred sixty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1033 1543 2066 3086 4132 6172 8264 11363 12344 16973 22726 33946 45452 67892 90904 135784 1593919 3187838 6375676 12751352 17533109 35066218 70132436 140264872