Base | Representation |
---|---|
bin | 1001100011100… |
… | …10111110000010 |
3 | 12120211200112112 |
4 | 10301302332002 |
5 | 131010201230 |
6 | 11542055322 |
7 | 1662241316 |
oct | 461627602 |
9 | 176750475 |
10 | 80162690 |
11 | 41282463 |
12 | 22a1a542 |
13 | 137b945a |
14 | a909b46 |
15 | 7086d95 |
hex | 4c72f82 |
80162690 has 32 divisors (see below), whose sum is σ = 147026880. Its totient is φ = 31464000.
The previous prime is 80162689. The next prime is 80162711. The reversal of 80162690 is 9626108.
It is a super-2 number, since 2×801626902 = 12852113736072200, which contains 22 as substring.
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 in 15 ways as a sum of consecutive naturals, for example, 140105 + ... + 140675.
It is an arithmetic number, because the mean of its divisors is an integer number (4594590).
Almost surely, 280162690 is an apocalyptic number.
80162690 is a deficient number, since it is larger than the sum of its proper divisors (66864190).
80162690 is a wasteful number, since it uses less digits than its factorization.
80162690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 80162690 is about 8953.3619384006. The cubic root of 80162690 is about 431.1788277141.
Adding to 80162690 its reverse (9626108), we get a palindrome (89788798).
The spelling of 80162690 in words is "eighty million, one hundred sixty-two thousand, six hundred ninety".
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