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140757020 = 22516343177
BaseRepresentation
bin10000110001111…
…00100000011100
3100210212012022222
420120330200130
5242013211040
621544524512
73326262215
oct1030744034
9323765288
10140757020
11724a9918
123b180738
1323213aa1
14149a040c
15c555bb5
hex863c81c

140757020 has 24 divisors (see below), whose sum is σ = 297410064. Its totient is φ = 55956096.

The previous prime is 140757013. The next prime is 140757037. The reversal of 140757020 is 20757041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18329 + ... + 24848.

It is an arithmetic number, because the mean of its divisors is an integer number (12392086).

Almost surely, 2140757020 is an apocalyptic number.

140757020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140757020 is an abundant number, since it is smaller than the sum of its proper divisors (156653044).

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

140757020 is a wasteful number, since it uses less digits than its factorization.

140757020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43349 (or 43347 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 140757020 is about 11864.1063717416. The cubic root of 140757020 is about 520.1836382962.

The spelling of 140757020 in words is "one hundred forty million, seven hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 43177 86354 172708 215885 431770 863540 7037851 14075702 28151404 35189255 70378510 140757020