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140872556 = 221123141229
BaseRepresentation
bin10000110010110…
…00101101101100
3100211002001211002
420121120231230
5242030410211
621551215432
73330253106
oct1031305554
9324061732
10140872556
1172578700
123b217578
1323254556
14149d0576
15c57a03b
hex8658b6c

140872556 has 72 divisors (see below), whose sum is σ = 287790720. Its totient is φ = 60192000.

The previous prime is 140872549. The next prime is 140872559. The reversal of 140872556 is 655278041.

It is not an unprimeable number, because it can be changed into a prime (140872559) 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 23 ways as a sum of consecutive naturals, for example, 615050 + ... + 615278.

Almost surely, 2140872556 is an apocalyptic number.

It is an amenable number.

140872556 is an abundant number, since it is smaller than the sum of its proper divisors (146918164).

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

140872556 is a wasteful number, since it uses less digits than its factorization.

140872556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 140872556 is about 11868.9745134110. The cubic root of 140872556 is about 520.3259248659.

The spelling of 140872556 in words is "one hundred forty million, eight hundred seventy-two thousand, five hundred fifty-six".

Divisors: 1 2 4 11 22 31 41 44 62 82 121 124 164 229 242 341 451 458 484 682 902 916 1271 1364 1804 2519 2542 3751 4961 5038 5084 7099 7502 9389 9922 10076 13981 14198 15004 18778 19844 27709 27962 28396 37556 55418 55924 78089 103279 110836 153791 156178 206558 291059 307582 312356 413116 582118 615164 858979 1136069 1164236 1717958 2272138 3201649 3435916 4544276 6403298 12806596 35218139 70436278 140872556