Base | Representation |
---|---|
bin | 1001111110111… |
… | …10010110010011 |
3 | 12211120211222210 |
4 | 10333132112103 |
5 | 132414420433 |
6 | 12151003203 |
7 | 2034563655 |
oct | 477362623 |
9 | 184524883 |
10 | 83748243 |
11 | 43301327 |
12 | 24069503 |
13 | 14473497 |
14 | b1a06d5 |
15 | 7544463 |
hex | 4fde593 |
83748243 has 4 divisors (see below), whose sum is σ = 111664328. Its totient is φ = 55832160.
The previous prime is 83748241. The next prime is 83748251. The reversal of 83748243 is 34284738.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 83748243 - 21 = 83748241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83748241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958038 + ... + 13958043.
It is an arithmetic number, because the mean of its divisors is an integer number (27916082).
Almost surely, 283748243 is an apocalyptic number.
83748243 is a deficient number, since it is larger than the sum of its proper divisors (27916085).
83748243 is a wasteful number, since it uses less digits than its factorization.
83748243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27916084.
The product of its digits is 129024, while the sum is 39.
The square root of 83748243 is about 9151.4066131934. The cubic root of 83748243 is about 437.5139465486.
The spelling of 83748243 in words is "eighty-three million, seven hundred forty-eight thousand, two hundred forty-three".
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