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140790810 = 2354693027
BaseRepresentation
bin10000110010001…
…00110000011010
3100210220220200110
420121010300122
5242020301220
621545345150
73326462556
oct1031046032
9323826613
10140790810
1172522246
123b1981b6
1323226294
14149ac866
15c560be0
hex8644c1a

140790810 has 16 divisors (see below), whose sum is σ = 337898016. Its totient is φ = 37544208.

The previous prime is 140790781. The next prime is 140790823. The reversal of 140790810 is 18097041.

It is a super-2 number, since 2×1407908102 = 39644104360912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4693027 = 140790810 / (1 + 4 + 0 + 7 + 9 + 0 + 8 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346484 + ... + 2346543.

It is an arithmetic number, because the mean of its divisors is an integer number (21118626).

Almost surely, 2140790810 is an apocalyptic number.

140790810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140790810 is an abundant number, since it is smaller than the sum of its proper divisors (197107206).

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

140790810 is a wasteful number, since it uses less digits than its factorization.

140790810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693037.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 140790810 is about 11865.5303294880. The cubic root of 140790810 is about 520.2252599002.

The spelling of 140790810 in words is "one hundred forty million, seven hundred ninety thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4693027 9386054 14079081 23465135 28158162 46930270 70395405 140790810