Base | Representation |
---|---|
bin | 1001100100011… |
… | …00100010000001 |
3 | 12121001000011102 |
4 | 10302030202001 |
5 | 131022024033 |
6 | 11544224145 |
7 | 1663155503 |
oct | 462144201 |
9 | 177030142 |
10 | 80267393 |
11 | 41344098 |
12 | 22a6b055 |
13 | 13824ccb |
14 | a935d73 |
15 | 70a7de8 |
hex | 4c8c881 |
80267393 has 4 divisors (see below), whose sum is σ = 82436820. Its totient is φ = 78097968.
The previous prime is 80267377. The next prime is 80267423. The reversal of 80267393 is 39376208.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 16459249 = 7988^2 + 4057^2 .
It is a cyclic number.
It is not a de Polignac number, because 80267393 - 24 = 80267377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80267303) 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, 1084658 + ... + 1084731.
It is an arithmetic number, because the mean of its divisors is an integer number (20609205).
Almost surely, 280267393 is an apocalyptic number.
It is an amenable number.
80267393 is a deficient number, since it is larger than the sum of its proper divisors (2169427).
80267393 is a wasteful number, since it uses less digits than its factorization.
80267393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2169426.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 80267393 is about 8959.2071635832. The cubic root of 80267393 is about 431.3664714323.
The spelling of 80267393 in words is "eighty million, two hundred sixty-seven thousand, three hundred ninety-three".
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