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140437080 = 233257232423
BaseRepresentation
bin10000101111011…
…10011001011000
3100210020221110100
420113232121120
5241422441310
621534015400
73323460360
oct1027563130
9323227410
10140437080
1172300503
123b047560
1323131284
14149199a0
15c4e0ec0
hex85ee658

140437080 has 192 divisors, whose sum is σ = 544527360. Its totient is φ = 30691584.

The previous prime is 140437049. The next prime is 140437091. The reversal of 140437080 is 80734041.

140437080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 56749 + ... + 59171.

It is an arithmetic number, because the mean of its divisors is an integer number (2836080).

Almost surely, 2140437080 is an apocalyptic number.

140437080 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 140437080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272263680).

140437080 is an abundant number, since it is smaller than the sum of its proper divisors (404090280).

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

140437080 is a wasteful number, since it uses less digits than its factorization.

140437080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140437080 is about 11850.6151739055. The cubic root of 140437080 is about 519.7892143709.

The spelling of 140437080 in words is "one hundred forty million, four hundred thirty-seven thousand, eighty".