Base | Representation |
---|---|
bin | 1001100101010… |
… | …10101001000010 |
3 | 12121021021100011 |
4 | 10302222221002 |
5 | 131040000342 |
6 | 11551015134 |
7 | 1664211166 |
oct | 462525102 |
9 | 177237304 |
10 | 80390722 |
11 | 41418815 |
12 | 22b0a4aa |
13 | 13869199 |
14 | a968ca6 |
15 | 70ce717 |
hex | 4caaa42 |
80390722 has 8 divisors (see below), whose sum is σ = 127679436. Its totient is φ = 37830912.
The previous prime is 80390707. The next prime is 80390731. The reversal of 80390722 is 22709308.
It can be written as a sum of positive squares in 2 ways, for example, as 77598481 + 2792241 = 8809^2 + 1671^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182183 + ... + 1182250.
Almost surely, 280390722 is an apocalyptic number.
80390722 is a deficient number, since it is larger than the sum of its proper divisors (47288714).
80390722 is a wasteful number, since it uses less digits than its factorization.
80390722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2364452.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 80390722 is about 8966.0873294877. The cubic root of 80390722 is about 431.5872865933.
The spelling of 80390722 in words is "eighty million, three hundred ninety thousand, seven hundred twenty-two".
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