Base | Representation |
---|---|
bin | 1010010010010… |
… | …10111001110110 |
3 | 20000100222200100 |
4 | 11021022321312 |
5 | 134042240123 |
6 | 12321254530 |
7 | 2065311312 |
oct | 511127166 |
9 | 200328610 |
10 | 86290038 |
11 | 44787a8a |
12 | 24a94446 |
13 | 14b533c3 |
14 | b662b42 |
15 | 7897643 |
hex | 524ae76 |
86290038 has 24 divisors (see below), whose sum is σ = 187132608. Its totient is φ = 28737072.
The previous prime is 86290033. The next prime is 86290067. The reversal of 86290038 is 83009268.
It is a junction number, because it is equal to n+sod(n) for n = 86289984 and 86290011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86290033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37456 + ... + 39692.
It is an arithmetic number, because the mean of its divisors is an integer number (7797192).
Almost surely, 286290038 is an apocalyptic number.
86290038 is an abundant number, since it is smaller than the sum of its proper divisors (100842570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86290038 is a wasteful number, since it uses less digits than its factorization.
86290038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4388 (or 4385 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 86290038 is about 9289.2431338619. The cubic root of 86290038 is about 441.8961523124.
The spelling of 86290038 in words is "eighty-six million, two hundred ninety thousand, thirty-eight".
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