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140885244 = 2234434831
BaseRepresentation
bin10000110010110…
…11110011111100
3100211002201020000
420121123303330
5242031311434
621551354300
73330335103
oct1031336374
9324081200
10140885244
1172587195
123b222990
132325a266
14149d503a
15c57db99
hex865bcfc

140885244 has 30 divisors (see below), whose sum is σ = 368302704. Its totient is φ = 46961640.

The previous prime is 140885237. The next prime is 140885249. The reversal of 140885244 is 442588041.

140885244 is a `hidden beast` number, since 1 + 408 + 8 + 5 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140885199 and 140885208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140885249) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 217092 + ... + 217739.

Almost surely, 2140885244 is an apocalyptic number.

It is an amenable number.

140885244 is an abundant number, since it is smaller than the sum of its proper divisors (227417460).

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

140885244 is a wasteful number, since it uses less digits than its factorization.

140885244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434847 (or 434836 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 140885244 is about 11869.5090041669. The cubic root of 140885244 is about 520.3415458341.

The spelling of 140885244 in words is "one hundred forty million, eight hundred eighty-five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 434831 869662 1304493 1739324 2608986 3913479 5217972 7826958 11740437 15653916 23480874 35221311 46961748 70442622 140885244