Base | Representation |
---|---|
bin | 10000101100101… |
… | …111011011000000 |
3 | 201112011210210122 |
4 | 100230233123000 |
5 | 1033210222112 |
6 | 43444515412 |
7 | 6641232521 |
oct | 2054573300 |
9 | 645153718 |
10 | 280164032 |
11 | 134166425 |
12 | 799abb68 |
13 | 46074245 |
14 | 292cc848 |
15 | 198e1872 |
hex | 10b2f6c0 |
280164032 has 28 divisors (see below), whose sum is σ = 560344320. Its totient is φ = 138974976.
The previous prime is 280164023. The next prime is 280164061. The reversal of 280164032 is 230461082.
280164032 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 280163992 and 280164010.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9107 + ... + 25362.
Almost surely, 2280164032 is an apocalyptic number.
It is an amenable number.
280164032 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280164032 is a wasteful number, since it uses less digits than its factorization.
280164032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34608 (or 34598 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 280164032 is about 16738.1012065288. The cubic root of 280164032 is about 654.3409893724.
The spelling of 280164032 in words is "two hundred eighty million, one hundred sixty-four thousand, thirty-two".
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