Base | Representation |
---|---|
bin | 1001111010011… |
… | …11101001111000 |
3 | 12210111011020120 |
4 | 10331033221320 |
5 | 132242220033 |
6 | 12130253240 |
7 | 2026610652 |
oct | 475175170 |
9 | 183434216 |
10 | 83163768 |
11 | 42a42196 |
12 | 23a27220 |
13 | 142ca43c |
14 | b08b6d2 |
15 | 747b1b3 |
hex | 4f4fa78 |
83163768 has 32 divisors (see below), whose sum is σ = 216950400. Its totient is φ = 26515808.
The previous prime is 83163767. The next prime is 83163781. The reversal of 83163768 is 86736138.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83163767) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74778 + ... + 75881.
It is an arithmetic number, because the mean of its divisors is an integer number (6779700).
Almost surely, 283163768 is an apocalyptic number.
It is an amenable number.
83163768 is an abundant number, since it is smaller than the sum of its proper divisors (133786632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83163768 is a wasteful number, since it uses less digits than its factorization.
83163768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150691 (or 150687 counting only the distinct ones).
The product of its digits is 145152, while the sum is 42.
The square root of 83163768 is about 9119.4170866344. The cubic root of 83163768 is about 436.4937732750.
The spelling of 83163768 in words is "eighty-three million, one hundred sixty-three thousand, seven hundred sixty-eight".
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