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140017080 = 233571931283
BaseRepresentation
bin10000101100001…
…11110110111000
3100202110121022210
420112013312320
5241321021310
621521015120
73320061030
oct1026076670
9322417283
10140017080
11720439a5
123aa844a0
1323015058
141484a8c0
15c45b820
hex8587db8

140017080 has 256 divisors, whose sum is σ = 523468800. Its totient is φ = 29237760.

The previous prime is 140017079. The next prime is 140017081. The reversal of 140017080 is 80710041.

140017080 is digitally balanced in base 2 and base 3, because in such bases 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 (140017079) and next prime (140017081).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140017081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 494619 + ... + 494901.

It is an arithmetic number, because the mean of its divisors is an integer number (2044800).

Almost surely, 2140017080 is an apocalyptic number.

140017080 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 140017080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261734400).

140017080 is an abundant number, since it is smaller than the sum of its proper divisors (383451720).

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

140017080 is a wasteful number, since it uses less digits than its factorization.

140017080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 140017080 is about 11832.8813059204. The cubic root of 140017080 is about 519.2705254691.

The spelling of 140017080 in words is "one hundred forty million, seventeen thousand, eighty".