Base | Representation |
---|---|
bin | 1001100100100… |
… | …00111010011110 |
3 | 12121001220210012 |
4 | 10302100322132 |
5 | 131023112332 |
6 | 11544443222 |
7 | 1663262024 |
oct | 462207236 |
9 | 177056705 |
10 | 80285342 |
11 | 41356625 |
12 | 22a79512 |
13 | 13830227 |
14 | a93c714 |
15 | 70ad3b2 |
hex | 4c90e9e |
80285342 has 4 divisors (see below), whose sum is σ = 120428016. Its totient is φ = 40142670.
The previous prime is 80285329. The next prime is 80285351. The reversal of 80285342 is 24358208.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×802853422 = 12891472280113928, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80285299 and 80285308.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 20071334 + ... + 20071337.
It is an arithmetic number, because the mean of its divisors is an integer number (30107004).
Almost surely, 280285342 is an apocalyptic number.
80285342 is a deficient number, since it is larger than the sum of its proper divisors (40142674).
80285342 is a wasteful number, since it uses less digits than its factorization.
80285342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40142673.
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 80285342 is about 8960.2088145311. The cubic root of 80285342 is about 431.3986223861.
The spelling of 80285342 in words is "eighty million, two hundred eighty-five thousand, three hundred forty-two".
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