Base | Representation |
---|---|
bin | 1001101001011… |
… | …11001100011111 |
3 | 12122021212010002 |
4 | 10310233030133 |
5 | 131204334123 |
6 | 12010404515 |
7 | 2001632126 |
oct | 464571437 |
9 | 178255102 |
10 | 80933663 |
11 | 41759728 |
12 | 2313073b |
13 | 139c9355 |
14 | aa6aabd |
15 | 718a528 |
hex | 4d2f31f |
80933663 has 8 divisors (see below), whose sum is σ = 83235600. Its totient is φ = 78662848.
The previous prime is 80933647. The next prime is 80933687. The reversal of 80933663 is 36633908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80933663 - 24 = 80933647 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 (80933603) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456 + ... + 12957.
It is an arithmetic number, because the mean of its divisors is an integer number (10404450).
Almost surely, 280933663 is an apocalyptic number.
80933663 is a deficient number, since it is larger than the sum of its proper divisors (2301937).
80933663 is a wasteful number, since it uses less digits than its factorization.
80933663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15561.
The product of its (nonzero) digits is 69984, while the sum is 38.
The square root of 80933663 is about 8996.3138562413. The cubic root of 80933663 is about 432.5567221540.
The spelling of 80933663 in words is "eighty million, nine hundred thirty-three thousand, six hundred sixty-three".
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