Base | Representation |
---|---|
bin | 1010000000010… |
… | …10011110001000 |
3 | 12211221000220022 |
4 | 11000022132020 |
5 | 132441211333 |
6 | 12154520012 |
7 | 2036245604 |
oct | 500123610 |
9 | 184830808 |
10 | 83928968 |
11 | 43415092 |
12 | 24136008 |
13 | 14507816 |
14 | b20a504 |
15 | 757cc98 |
hex | 500a788 |
83928968 has 36 divisors (see below), whose sum is σ = 163366245. Its totient is φ = 40422720.
The previous prime is 83928961. The next prime is 83928979. The reversal of 83928968 is 86982938.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 59938564 + 23990404 = 7742^2 + 4898^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=6478.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83928961) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1062353 + ... + 1062431.
Almost surely, 283928968 is an apocalyptic number.
It is an amenable number.
83928968 is a deficient number, since it is larger than the sum of its proper divisors (79437277).
83928968 is an equidigital number, since it uses as much as digits as its factorization.
83928968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246 (or 122 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 53.
The square root of 83928968 is about 9161.2754570529. The cubic root of 83928968 is about 437.8284323493.
Multiplying 83928968 by its product of digits (1492992), we get a square (125305277792256 = 111939842).
The spelling of 83928968 in words is "eighty-three million, nine hundred twenty-eight thousand, nine hundred sixty-eight".
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