Base | Representation |
---|---|
bin | 1001100111011… |
… | …00111001011001 |
3 | 12121210001121101 |
4 | 10303230321121 |
5 | 131122141410 |
6 | 12000511401 |
7 | 1666421326 |
oct | 463547131 |
9 | 177701541 |
10 | 80662105 |
11 | 415936a7 |
12 | 2301b561 |
13 | 13932874 |
14 | a9d9b4d |
15 | 7134d3a |
hex | 4cece59 |
80662105 has 8 divisors (see below), whose sum is σ = 98854272. Its totient is φ = 63156528.
The previous prime is 80662103. The next prime is 80662111. The reversal of 80662105 is 50126608.
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 80662105 - 21 = 80662103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80662103) 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, 171387 + ... + 171856.
It is an arithmetic number, because the mean of its divisors is an integer number (12356784).
Almost surely, 280662105 is an apocalyptic number.
It is an amenable number.
80662105 is a deficient number, since it is larger than the sum of its proper divisors (18192167).
80662105 is a wasteful number, since it uses less digits than its factorization.
80662105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343295.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 80662105 is about 8981.2084376213. The cubic root of 80662105 is about 432.0723919178.
The spelling of 80662105 in words is "eighty million, six hundred sixty-two thousand, one hundred five".
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