Base | Representation |
---|---|
bin | 11001001100110… |
… | …110101011010001 |
3 | 1002110120110200021 |
4 | 121030312223101 |
5 | 1331214100311 |
6 | 105542023441 |
7 | 13322512204 |
oct | 3114665321 |
9 | 1073513607 |
10 | 422800081 |
11 | 1a7728a60 |
12 | b9717b81 |
13 | 69795382 |
14 | 4021b93b |
15 | 271b9171 |
hex | 19336ad1 |
422800081 has 16 divisors (see below), whose sum is σ = 489110400. Its totient is φ = 361204480.
The previous prime is 422800067. The next prime is 422800127. The reversal of 422800081 is 180008224.
It is a cyclic number.
It is not a de Polignac number, because 422800081 - 27 = 422799953 is a prime.
It is a super-2 number, since 2×4228000812 = 357519816987213122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (422800031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164595 + ... + 167143.
It is an arithmetic number, because the mean of its divisors is an integer number (30569400).
Almost surely, 2422800081 is an apocalyptic number.
It is an amenable number.
422800081 is a deficient number, since it is larger than the sum of its proper divisors (66310319).
422800081 is a wasteful number, since it uses less digits than its factorization.
422800081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3464.
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 422800081 is about 20562.1030296028. The cubic root of 422800081 is about 750.5477959435.
The spelling of 422800081 in words is "four hundred twenty-two million, eight hundred thousand, eighty-one".
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