Base | Representation |
---|---|
bin | 1001111111010… |
… | …01011110101110 |
3 | 12211200011112111 |
4 | 10333221132232 |
5 | 132422400323 |
6 | 12151554234 |
7 | 2035143622 |
oct | 477513656 |
9 | 184604474 |
10 | 83793838 |
11 | 43332607 |
12 | 2408b97a |
13 | 1448b16b |
14 | b1b3182 |
15 | 7552c0d |
hex | 4fe97ae |
83793838 has 32 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 38755584.
The previous prime is 83793823. The next prime is 83793839. The reversal of 83793838 is 83839738.
It is a junction number, because it is equal to n+sod(n) for n = 83793791 and 83793800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83793839) 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, 468033 + ... + 468211.
It is an arithmetic number, because the mean of its divisors is an integer number (4233600).
Almost surely, 283793838 is an apocalyptic number.
83793838 is a deficient number, since it is larger than the sum of its proper divisors (51681362).
83793838 is a wasteful number, since it uses less digits than its factorization.
83793838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424.
The product of its digits is 870912, while the sum is 49.
The square root of 83793838 is about 9153.8974213173. The cubic root of 83793838 is about 437.5933306192.
The spelling of 83793838 in words is "eighty-three million, seven hundred ninety-three thousand, eight hundred thirty-eight".
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