Base | Representation |
---|---|
bin | 10000110010001… |
… | …00110000011010 |
3 | 100210220220200110 |
4 | 20121010300122 |
5 | 242020301220 |
6 | 21545345150 |
7 | 3326462556 |
oct | 1031046032 |
9 | 323826613 |
10 | 140790810 |
11 | 72522246 |
12 | 3b1981b6 |
13 | 23226294 |
14 | 149ac866 |
15 | c560be0 |
hex | 8644c1a |
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".
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