Base | Representation |
---|---|
bin | 1001100111111… |
… | …00100000010001 |
3 | 12121220022022002 |
4 | 10303330200101 |
5 | 131131213113 |
6 | 12002123345 |
7 | 2000105603 |
oct | 463744021 |
9 | 177808262 |
10 | 80726033 |
11 | 41627733 |
12 | 23050555 |
13 | 139559ab |
14 | aa15173 |
15 | 7148c58 |
hex | 4cfc811 |
80726033 has 4 divisors (see below), whose sum is σ = 81011568. Its totient is φ = 80440500.
The previous prime is 80726029. The next prime is 80726039. The reversal of 80726033 is 33062708.
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 80726033 - 22 = 80726029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80725987 and 80726005.
It is not an unprimeable number, because it can be changed into a prime (80726039) 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, 142343 + ... + 142908.
It is an arithmetic number, because the mean of its divisors is an integer number (20252892).
Almost surely, 280726033 is an apocalyptic number.
It is an amenable number.
80726033 is a deficient number, since it is larger than the sum of its proper divisors (285535).
80726033 is a wasteful number, since it uses less digits than its factorization.
80726033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285534.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 80726033 is about 8984.7667192866. The cubic root of 80726033 is about 432.1865067595.
The spelling of 80726033 in words is "eighty million, seven hundred twenty-six thousand, thirty-three".
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