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140538760 = 2353513469
BaseRepresentation
bin10000110000001…
…11001110001000
3100210110002221021
420120013032020
5241434220020
621540122224
73324362665
oct1030071610
9323402837
10140538760
117236a93a
123b096374
132316863b
1414944a6c
15c5111aa
hex8607388

140538760 has 16 divisors (see below), whose sum is σ = 316212300. Its totient is φ = 56215488.

The previous prime is 140538757. The next prime is 140538793. The reversal of 140538760 is 67835041.

It can be written as a sum of positive squares in 2 ways, for example, as 124233316 + 16305444 = 11146^2 + 4038^2 .

It is a super-2 number, since 2×1405387602 = 39502286124675200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756695 + ... + 1756774.

Almost surely, 2140538760 is an apocalyptic number.

140538760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140538760 is an abundant number, since it is smaller than the sum of its proper divisors (175673540).

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

140538760 is a wasteful number, since it uses less digits than its factorization.

140538760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513480 (or 3513476 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140538760 is about 11854.9044703026. The cubic root of 140538760 is about 519.9146309560.

The spelling of 140538760 in words is "one hundred forty million, five hundred thirty-eight thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3513469 7026938 14053876 17567345 28107752 35134690 70269380 140538760