Base | Representation |
---|---|
bin | 1001111011011… |
… | …10100110010101 |
3 | 12210201121002222 |
4 | 10331232212111 |
5 | 132310244032 |
6 | 12133112125 |
7 | 2030646332 |
oct | 475564625 |
9 | 183647088 |
10 | 83290517 |
11 | 43019442 |
12 | 23a88645 |
13 | 1434303b |
14 | b0c1989 |
15 | 74a3a12 |
hex | 4f6e995 |
83290517 has 2 divisors, whose sum is σ = 83290518. Its totient is φ = 83290516.
The previous prime is 83290499. The next prime is 83290549. The reversal of 83290517 is 71509238.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47458321 + 35832196 = 6889^2 + 5986^2 .
It is a cyclic number.
It is not a de Polignac number, because 83290517 - 214 = 83274133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83293517) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41645258 + 41645259.
It is an arithmetic number, because the mean of its divisors is an integer number (41645259).
Almost surely, 283290517 is an apocalyptic number.
It is an amenable number.
83290517 is a deficient number, since it is larger than the sum of its proper divisors (1).
83290517 is an equidigital number, since it uses as much as digits as its factorization.
83290517 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 83290517 is about 9126.3638432839. The cubic root of 83290517 is about 436.7154125279.
The spelling of 83290517 in words is "eighty-three million, two hundred ninety thousand, five hundred seventeen".
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