Base | Representation |
---|---|
bin | 10000110010110… |
… | …10010010110001 |
3 | 100211002101200200 |
4 | 20121122102301 |
5 | 242031112100 |
6 | 21551305413 |
7 | 3330311010 |
oct | 1031322261 |
9 | 324071620 |
10 | 140879025 |
11 | 72582551 |
12 | 3b21b269 |
13 | 23257491 |
14 | 149d2a77 |
15 | c57be00 |
hex | 865a4b1 |
140879025 has 72 divisors (see below), whose sum is σ = 300992640. Its totient is φ = 61585920.
The previous prime is 140878987. The next prime is 140879027. The reversal of 140879025 is 520978041.
It is not a de Polignac number, because 140879025 - 29 = 140878513 is a prime.
It is not an unprimeable number, because it can be changed into a prime (140879027) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34281 + ... + 38169.
Almost surely, 2140879025 is an apocalyptic number.
140879025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
140879025 is an abundant number, since it is smaller than the sum of its proper divisors (160113615).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140879025 is a wasteful number, since it uses less digits than its factorization.
140879025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3935 (or 3927 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 140879025 is about 11869.2470275077. The cubic root of 140879025 is about 520.3338893623. Note that the first 3 decimals are identical.
The spelling of 140879025 in words is "one hundred forty million, eight hundred seventy-nine thousand, twenty-five".
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