Base | Representation |
---|---|
bin | 10000110010111… |
… | …10011000111111 |
3 | 100211010020201020 |
4 | 20121132120333 |
5 | 242032131212 |
6 | 21551515223 |
7 | 3330410643 |
oct | 1031363077 |
9 | 324106636 |
10 | 140895807 |
11 | 72594118 |
12 | 3b228b13 |
13 | 23262000 |
14 | 149d8c23 |
15 | c581d8c |
hex | 865e63f |
140895807 has 16 divisors (see below), whose sum is σ = 203518560. Its totient is φ = 86701056.
The previous prime is 140895793. The next prime is 140895809. The reversal of 140895807 is 708598041.
It is not a de Polignac number, because 140895807 - 24 = 140895791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140895809) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4098 + ... + 17279.
It is an arithmetic number, because the mean of its divisors is an integer number (12719910).
Almost surely, 2140895807 is an apocalyptic number.
140895807 is a deficient number, since it is larger than the sum of its proper divisors (62622753).
140895807 is an equidigital number, since it uses as much as digits as its factorization.
140895807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21419 (or 21393 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 42.
The square root of 140895807 is about 11869.9539594726. The cubic root of 140895807 is about 520.3545498702.
The spelling of 140895807 in words is "one hundred forty million, eight hundred ninety-five thousand, eight hundred seven".
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