Base | Representation |
---|---|
bin | 10001000010110… |
… | …111000110000100 |
3 | 201221002101222110 |
4 | 101002313012010 |
5 | 1041201301003 |
6 | 44213101020 |
7 | 10041433200 |
oct | 2102670604 |
9 | 657071873 |
10 | 285962628 |
11 | 137466a56 |
12 | 7b927770 |
13 | 47324673 |
14 | 29d9bb00 |
15 | 1a189a03 |
hex | 110b7184 |
285962628 has 36 divisors (see below), whose sum is σ = 776185872. Its totient is φ = 81703440.
The previous prime is 285962623. The next prime is 285962629. The reversal of 285962628 is 826269582.
It is a super-2 number, since 2×2859626282 = 163549249225332768, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (285962623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242578 + ... + 243753.
Almost surely, 2285962628 is an apocalyptic number.
285962628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
285962628 is an abundant number, since it is smaller than the sum of its proper divisors (490223244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285962628 is a wasteful number, since it uses less digits than its factorization.
285962628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486352 (or 486343 counting only the distinct ones).
The product of its digits is 829440, while the sum is 48.
The square root of 285962628 is about 16910.4295628467. The cubic root of 285962628 is about 658.8245284605.
The spelling of 285962628 in words is "two hundred eighty-five million, nine hundred sixty-two thousand, six hundred twenty-eight".
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