Base | Representation |
---|---|
bin | 1001100100101… |
… | …11010010010010 |
3 | 12121010020120212 |
4 | 10302113102102 |
5 | 131024431232 |
6 | 11545204122 |
7 | 1663431101 |
oct | 462272222 |
9 | 177106525 |
10 | 80311442 |
11 | 413741a2 |
12 | 22a90642 |
13 | 1383c083 |
14 | a948038 |
15 | 70b5eb2 |
hex | 4c97492 |
80311442 has 8 divisors (see below), whose sum is σ = 126807600. Its totient is φ = 38042244.
The previous prime is 80311379. The next prime is 80311459. The reversal of 80311442 is 24411308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×803114422 = 12899855432238728, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056692 + ... + 1056767.
It is an arithmetic number, because the mean of its divisors is an integer number (15850950).
Almost surely, 280311442 is an apocalyptic number.
80311442 is a deficient number, since it is larger than the sum of its proper divisors (46496158).
80311442 is a wasteful number, since it uses less digits than its factorization.
80311442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2113480.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 80311442 is about 8961.6651354533. The cubic root of 80311442 is about 431.4453651824.
The spelling of 80311442 in words is "eighty million, three hundred eleven thousand, four hundred forty-two".
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