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140445672 = 23319792957
BaseRepresentation
bin10000101111100…
…00011111101000
3100210021101020120
420113300133220
5241423230142
621534123240
73323524413
oct1027603750
9323241216
10140445672
1172306a04
123b050520
1323135163
141491cb7a
15c4e37ec
hex85f07e8

140445672 has 32 divisors (see below), whose sum is σ = 351410400. Its totient is φ = 46775744.

The previous prime is 140445667. The next prime is 140445677. The reversal of 140445672 is 276544041.

140445672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140445667) and next prime (140445677).

It is not an unprimeable number, because it can be changed into a prime (140445677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46018 + ... + 48974.

It is an arithmetic number, because the mean of its divisors is an integer number (10981575).

Almost surely, 2140445672 is an apocalyptic number.

140445672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140445672 is an abundant number, since it is smaller than the sum of its proper divisors (210964728).

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

140445672 is a wasteful number, since it uses less digits than its factorization.

140445672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 140445672 is about 11850.9776811873. The cubic root of 140445672 is about 519.7998144628.

The spelling of 140445672 in words is "one hundred forty million, four hundred forty-five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1979 2957 3958 5914 5937 7916 8871 11828 11874 15832 17742 23656 23748 35484 47496 70968 5851903 11703806 17555709 23407612 35111418 46815224 70222836 140445672