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140079240 = 23335722647
BaseRepresentation
bin10000101100101…
…11000010001000
3100202120202121000
420112113002020
5241330013430
621522215000
73320440200
oct1026270210
9322522530
10140079240
1172086674
123aab4460
1323037432
1414865400
15c46ee60
hex8597088

140079240 has 192 divisors, whose sum is σ = 543369600. Its totient is φ = 32006016.

The previous prime is 140079197. The next prime is 140079253. The reversal of 140079240 is 42970041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51597 + ... + 54243.

It is an arithmetic number, because the mean of its divisors is an integer number (2830050).

Almost surely, 2140079240 is an apocalyptic number.

140079240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271684800).

140079240 is an abundant number, since it is smaller than the sum of its proper divisors (403290360).

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

140079240 is a wasteful number, since it uses less digits than its factorization.

140079240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140079240 is about 11835.5075936776. The cubic root of 140079240 is about 519.3473567636.

The spelling of 140079240 in words is "one hundred forty million, seventy-nine thousand, two hundred forty".