Base | Representation |
---|---|
bin | 1001101000101… |
… | …10011110001001 |
3 | 12122002201012100 |
4 | 10310112132021 |
5 | 131143114033 |
6 | 12004304013 |
7 | 2001030645 |
oct | 464263611 |
9 | 178081170 |
10 | 80832393 |
11 | 4169a634 |
12 | 230a2009 |
13 | 13992225 |
14 | aa41c25 |
15 | 716a513 |
hex | 4d16789 |
80832393 has 6 divisors (see below), whose sum is σ = 116757914. Its totient is φ = 53888256.
The previous prime is 80832359. The next prime is 80832439. The reversal of 80832393 is 39323808.
It can be written as a sum of positive squares in only one way, i.e., 66634569 + 14197824 = 8163^2 + 3768^2 .
It is not a de Polignac number, because 80832393 - 210 = 80831369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80832313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4490680 + ... + 4490697.
Almost surely, 280832393 is an apocalyptic number.
It is an amenable number.
80832393 is a deficient number, since it is larger than the sum of its proper divisors (35925521).
80832393 is a wasteful number, since it uses less digits than its factorization.
80832393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8981383 (or 8981380 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 80832393 is about 8990.6836781193. The cubic root of 80832393 is about 432.3762315274.
It can be divided in two parts, 80832 and 393, that added together give a square (81225 = 2852).
The spelling of 80832393 in words is "eighty million, eight hundred thirty-two thousand, three hundred ninety-three".
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