Base | Representation |
---|---|
bin | 1001111100001… |
… | …10101110000101 |
3 | 12210220121122020 |
4 | 10332012232011 |
5 | 132321424232 |
6 | 12135153353 |
7 | 2031540354 |
oct | 476065605 |
9 | 183817566 |
10 | 83389317 |
11 | 430866a0 |
12 | 23b15859 |
13 | 14378cbb |
14 | b10999b |
15 | 74c2e2c |
hex | 4f86b85 |
83389317 has 16 divisors (see below), whose sum is σ = 121931328. Its totient is φ = 50273280.
The previous prime is 83389307. The next prime is 83389321. The reversal of 83389317 is 71398338.
It is not a de Polignac number, because 83389317 - 26 = 83389253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83389307) 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, 178 + ... + 12915.
It is an arithmetic number, because the mean of its divisors is an integer number (7620708).
Almost surely, 283389317 is an apocalyptic number.
It is an amenable number.
83389317 is a deficient number, since it is larger than the sum of its proper divisors (38542011).
83389317 is a wasteful number, since it uses less digits than its factorization.
83389317 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13300.
The product of its digits is 108864, while the sum is 42.
The square root of 83389317 is about 9131.7751286374. The cubic root of 83389317 is about 436.8880229478. Note that the first 3 decimals are identical.
The spelling of 83389317 in words is "eighty-three million, three hundred eighty-nine thousand, three hundred seventeen".
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