Base | Representation |
---|---|
bin | 1001111001101… |
… | …01010011000101 |
3 | 12210021200011020 |
4 | 10330311103011 |
5 | 132230241223 |
6 | 12124101353 |
7 | 2025651141 |
oct | 474652305 |
9 | 183250136 |
10 | 83055813 |
11 | 42979075 |
12 | 23994859 |
13 | 14290269 |
14 | b060221 |
15 | 74591e3 |
hex | 4f354c5 |
83055813 has 16 divisors (see below), whose sum is σ = 113029056. Its totient is φ = 54236160.
The previous prime is 83055811. The next prime is 83055857. The reversal of 83055813 is 31855038.
It is not a de Polignac number, because 83055813 - 21 = 83055811 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83055811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37723 + ... + 39863.
It is an arithmetic number, because the mean of its divisors is an integer number (7064316).
Almost surely, 283055813 is an apocalyptic number.
It is an amenable number.
83055813 is a deficient number, since it is larger than the sum of its proper divisors (29973243).
83055813 is a wasteful number, since it uses less digits than its factorization.
83055813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2404.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 83055813 is about 9113.4962006905. The cubic root of 83055813 is about 436.3048204385.
The spelling of 83055813 in words is "eighty-three million, fifty-five thousand, eight hundred thirteen".
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