Base | Representation |
---|---|
bin | 1010001110100… |
… | …00100101100100 |
3 | 12222102112102102 |
4 | 11013100211210 |
5 | 133430222103 |
6 | 12302431232 |
7 | 2061123533 |
oct | 507204544 |
9 | 188375372 |
10 | 85789028 |
11 | 44475626 |
12 | 24892518 |
13 | 14a09350 |
14 | b57231a |
15 | 77e8e88 |
hex | 51d0964 |
85789028 has 48 divisors (see below), whose sum is σ = 175741440. Its totient is φ = 36288000.
The previous prime is 85789003. The next prime is 85789043. The reversal of 85789028 is 82098758.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 29228 + ... + 32028.
It is an arithmetic number, because the mean of its divisors is an integer number (3661280).
Almost surely, 285789028 is an apocalyptic number.
It is an amenable number.
85789028 is an abundant number, since it is smaller than the sum of its proper divisors (89952412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85789028 is a wasteful number, since it uses less digits than its factorization.
85789028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 47.
The square root of 85789028 is about 9262.2366629233. The cubic root of 85789028 is about 441.0392582667.
The spelling of 85789028 in words is "eighty-five million, seven hundred eighty-nine thousand, twenty-eight".
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