Base | Representation |
---|---|
bin | 10000111111110… |
… | …011011110001000 |
3 | 201212120200211120 |
4 | 100333303132020 |
5 | 1041000130402 |
6 | 44143555240 |
7 | 10031555130 |
oct | 2077633610 |
9 | 655520746 |
10 | 285161352 |
11 | 136a69a43 |
12 | 7b5bbb20 |
13 | 47103a38 |
14 | 29c2dac0 |
15 | 1a07c3bc |
hex | 10ff3788 |
285161352 has 32 divisors (see below), whose sum is σ = 814747200. Its totient is φ = 81474624.
The previous prime is 285161341. The next prime is 285161353. The reversal of 285161352 is 253161582.
It is not an unprimeable number, because it can be changed into a prime (285161353) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848527 + ... + 848862.
It is an arithmetic number, because the mean of its divisors is an integer number (25460850).
Almost surely, 2285161352 is an apocalyptic number.
It is an amenable number.
285161352 is an abundant number, since it is smaller than the sum of its proper divisors (529585848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285161352 is a wasteful number, since it uses less digits than its factorization.
285161352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1697405 (or 1697401 counting only the distinct ones).
The product of its digits is 14400, while the sum is 33.
The square root of 285161352 is about 16886.7211737507. The cubic root of 285161352 is about 658.2086040187.
The spelling of 285161352 in words is "two hundred eighty-five million, one hundred sixty-one thousand, three hundred fifty-two".
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