Base | Representation |
---|---|
bin | 1010110010101… |
… | …01100001000100 |
3 | 20022100021210221 |
4 | 11121111201010 |
5 | 141133342222 |
6 | 12552154124 |
7 | 2146321324 |
oct | 531254104 |
9 | 208307727 |
10 | 90527812 |
11 | 47111981 |
12 | 26398944 |
13 | 159a826b |
14 | c047284 |
15 | 7e330c7 |
hex | 5655844 |
90527812 has 24 divisors (see below), whose sum is σ = 164812032. Its totient is φ = 43461600.
The previous prime is 90527797. The next prime is 90527813. The reversal of 90527812 is 21872509.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (90527813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13458 + ... + 19030.
It is an arithmetic number, because the mean of its divisors is an integer number (6867168).
Almost surely, 290527812 is an apocalyptic number.
It is an amenable number.
90527812 is a deficient number, since it is larger than the sum of its proper divisors (74284220).
90527812 is a wasteful number, since it uses less digits than its factorization.
90527812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5739 (or 5737 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 90527812 is about 9514.6104491986. The cubic root of 90527812 is about 449.0148192125.
The spelling of 90527812 in words is "ninety million, five hundred twenty-seven thousand, eight hundred twelve".
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