Base | Representation |
---|---|
bin | 1001111001100… |
… | …11110101011001 |
3 | 12210021100221011 |
4 | 10330303311121 |
5 | 132230043232 |
6 | 12124013521 |
7 | 2025624514 |
oct | 474636531 |
9 | 183240834 |
10 | 83049817 |
11 | 42974614 |
12 | 239912a1 |
13 | 1428a606 |
14 | b05bd7b |
15 | 7457547 |
hex | 4f33d59 |
83049817 has 4 divisors (see below), whose sum is σ = 87420880. Its totient is φ = 78678756.
The previous prime is 83049809. The next prime is 83049829. The reversal of 83049817 is 71894038.
83049817 is nontrivially palindromic in base 15.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 83049817 - 23 = 83049809 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83049817.
It is not an unprimeable number, because it can be changed into a prime (83040817) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185503 + ... + 2185540.
It is an arithmetic number, because the mean of its divisors is an integer number (21855220).
Almost surely, 283049817 is an apocalyptic number.
It is an amenable number.
83049817 is a deficient number, since it is larger than the sum of its proper divisors (4371063).
83049817 is a wasteful number, since it uses less digits than its factorization.
83049817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4371062.
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 83049817 is about 9113.1672320879. The cubic root of 83049817 is about 436.2943208857.
The spelling of 83049817 in words is "eighty-three million, forty-nine thousand, eight hundred seventeen".
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