Base | Representation |
---|---|
bin | 1001101000011… |
… | …01000001011101 |
3 | 12122000202010000 |
4 | 10310031001131 |
5 | 131140344233 |
6 | 12003404513 |
7 | 2000510061 |
oct | 464150135 |
9 | 178022100 |
10 | 80793693 |
11 | 41673552 |
12 | 23083739 |
13 | 1397a726 |
14 | aa31aa1 |
15 | 715dd13 |
hex | 4d0d05d |
80793693 has 10 divisors (see below), whose sum is σ = 120691934. Its totient is φ = 53862408.
The previous prime is 80793683. The next prime is 80793697. The reversal of 80793693 is 39639708.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 54199044 + 26594649 = 7362^2 + 5157^2 .
It is not a de Polignac number, because 80793693 - 28 = 80793437 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80793697) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 498646 + ... + 498807.
Almost surely, 280793693 is an apocalyptic number.
It is an amenable number.
80793693 is a deficient number, since it is larger than the sum of its proper divisors (39898241).
80793693 is an equidigital number, since it uses as much as digits as its factorization.
80793693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997465 (or 997456 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 80793693 is about 8988.5311925809. The cubic root of 80793693 is about 432.3072178121.
The spelling of 80793693 in words is "eighty million, seven hundred ninety-three thousand, six hundred ninety-three".
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