Base | Representation |
---|---|
bin | 1001111001011… |
… | …00011011000000 |
3 | 12210012211021200 |
4 | 10330230123000 |
5 | 132223110311 |
6 | 12123221200 |
7 | 2025440142 |
oct | 474543300 |
9 | 183184250 |
10 | 83019456 |
11 | 42953823 |
12 | 23977800 |
13 | 14279850 |
14 | b050c92 |
15 | 744d556 |
hex | 4f2c6c0 |
83019456 has 84 divisors (see below), whose sum is σ = 256288032. Its totient is φ = 25542144.
The previous prime is 83019421. The next prime is 83019473. The reversal of 83019456 is 65491038.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 83019456.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1945 + ... + 13031.
It is an arithmetic number, because the mean of its divisors is an integer number (3051048).
Almost surely, 283019456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83019456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128144016).
83019456 is an abundant number, since it is smaller than the sum of its proper divisors (173268576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83019456 is a wasteful number, since it uses less digits than its factorization.
83019456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11118 (or 11105 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 83019456 is about 9111.5013032979. The cubic root of 83019456 is about 436.2411481963.
The spelling of 83019456 in words is "eighty-three million, nineteen thousand, four hundred fifty-six".
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