Base | Representation |
---|---|
bin | 1001111000101… |
… | …10110011100111 |
3 | 12210001022211112 |
4 | 10330112303213 |
5 | 132212242134 |
6 | 12121255235 |
7 | 2024621051 |
oct | 474266347 |
9 | 183038745 |
10 | 82930919 |
11 | 428a3255 |
12 | 2393451b |
13 | 14248466 |
14 | b02a8d1 |
15 | 74321ce |
hex | 4f16ce7 |
82930919 has 2 divisors, whose sum is σ = 82930920. Its totient is φ = 82930918.
The previous prime is 82930909. The next prime is 82930927. The reversal of 82930919 is 91903928.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-82930919 is a prime.
It is a super-2 number, since 2×829309192 = 13755074652369122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (82930909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41465459 + 41465460.
It is an arithmetic number, because the mean of its divisors is an integer number (41465460).
Almost surely, 282930919 is an apocalyptic number.
82930919 is a deficient number, since it is larger than the sum of its proper divisors (1).
82930919 is an equidigital number, since it uses as much as digits as its factorization.
82930919 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34992, while the sum is 41.
The square root of 82930919 is about 9106.6414775152. The cubic root of 82930919 is about 436.0860149995.
The spelling of 82930919 in words is "eighty-two million, nine hundred thirty thousand, nine hundred nineteen".
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