Base | Representation |
---|---|
bin | 10001000010110… |
… | …111101100001110 |
3 | 201221002112022220 |
4 | 101002313230032 |
5 | 1041201340240 |
6 | 44213120210 |
7 | 10041443256 |
oct | 2102675416 |
9 | 657075286 |
10 | 285965070 |
11 | 137468876 |
12 | 7b929066 |
13 | 47325801 |
14 | 29d9c966 |
15 | 1a18a5d0 |
hex | 110b7b0e |
285965070 has 32 divisors (see below), whose sum is σ = 688679712. Its totient is φ = 75994752.
The previous prime is 285965063. The next prime is 285965087. The reversal of 285965070 is 70569582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7477 + ... + 25056.
It is an arithmetic number, because the mean of its divisors is an integer number (21521241).
Almost surely, 2285965070 is an apocalyptic number.
285965070 is an abundant number, since it is smaller than the sum of its proper divisors (402714642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285965070 is a wasteful number, since it uses less digits than its factorization.
285965070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32836.
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 285965070 is about 16910.5017666538. The cubic root of 285965070 is about 658.8264038162.
It can be divided in two parts, 285 and 965070, that added together give a triangular number (965355 = T1389).
The spelling of 285965070 in words is "two hundred eighty-five million, nine hundred sixty-five thousand, seventy".
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