Base | Representation |
---|---|
bin | 1001111001011… |
… | …01010101010111 |
3 | 12210020000102000 |
4 | 10330231111113 |
5 | 132223220231 |
6 | 12123250343 |
7 | 2025454056 |
oct | 474552527 |
9 | 183200360 |
10 | 83023191 |
11 | 42956609 |
12 | 239799b3 |
13 | 1427b464 |
14 | b05239d |
15 | 744e6e6 |
hex | 4f2d557 |
83023191 has 16 divisors (see below), whose sum is σ = 123199200. Its totient is φ = 55257984.
The previous prime is 83023183. The next prime is 83023231. The reversal of 83023191 is 19132038.
It is not a de Polignac number, because 83023191 - 23 = 83023183 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83023151) 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, 16975 + ... + 21311.
It is an arithmetic number, because the mean of its divisors is an integer number (7699950).
Almost surely, 283023191 is an apocalyptic number.
83023191 is a deficient number, since it is larger than the sum of its proper divisors (40176009).
83023191 is a wasteful number, since it uses less digits than its factorization.
83023191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5055 (or 5049 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 83023191 is about 9111.7062617273. The cubic root of 83023191 is about 436.2476901819.
The spelling of 83023191 in words is "eighty-three million, twenty-three thousand, one hundred ninety-one".
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