Base | Representation |
---|---|
bin | 1001111110110… |
… | …01000111011000 |
3 | 12211112202120220 |
4 | 10333121013120 |
5 | 132413224213 |
6 | 12150320040 |
7 | 2034444324 |
oct | 477310730 |
9 | 184482526 |
10 | 83726808 |
11 | 43297210 |
12 | 24059020 |
13 | 144667b9 |
14 | b196984 |
15 | 753ce23 |
hex | 4fd91d8 |
83726808 has 64 divisors (see below), whose sum is σ = 238291200. Its totient is φ = 24266880.
The previous prime is 83726791. The next prime is 83726809. The reversal of 83726808 is 80862738.
It is a self number, because there is not a number n which added to its sum of digits gives 83726808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83726809) 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, 823 + ... + 12966.
It is an arithmetic number, because the mean of its divisors is an integer number (3723300).
Almost surely, 283726808 is an apocalyptic number.
83726808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83726808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119145600).
83726808 is an abundant number, since it is smaller than the sum of its proper divisors (154564392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83726808 is a wasteful number, since it uses less digits than its factorization.
83726808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13832 (or 13828 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 83726808 is about 9150.2354068078. The cubic root of 83726808 is about 437.4766167639.
The spelling of 83726808 in words is "eighty-three million, seven hundred twenty-six thousand, eight hundred eight".
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