Base | Representation |
---|---|
bin | 1010110000011… |
… | …00110111010010 |
3 | 20021210011121020 |
4 | 11120030313102 |
5 | 141044331401 |
6 | 12541540310 |
7 | 2143641612 |
oct | 530146722 |
9 | 207704536 |
10 | 90230226 |
11 | 46a29339 |
12 | 26274696 |
13 | 15902988 |
14 | bdaaa42 |
15 | 7dc4d36 |
hex | 560cdd2 |
90230226 has 16 divisors (see below), whose sum is σ = 181505664. Its totient is φ = 29902544.
The previous prime is 90230209. The next prime is 90230227. The reversal of 90230226 is 62203209.
It is a super-2 number, since 2×902302262 = 16282987368022152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 90230196 and 90230205.
It is not an unprimeable number, because it can be changed into a prime (90230227) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 42426 + ... + 44501.
It is an arithmetic number, because the mean of its divisors is an integer number (11344104).
Almost surely, 290230226 is an apocalyptic number.
90230226 is an abundant number, since it is smaller than the sum of its proper divisors (91275438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90230226 is a wasteful number, since it uses less digits than its factorization.
90230226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87105.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 90230226 is about 9498.9592061446. The cubic root of 90230226 is about 448.5222736882.
The spelling of 90230226 in words is "ninety million, two hundred thirty thousand, two hundred twenty-six".
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