Base | Representation |
---|---|
bin | 1010110000110… |
… | …10100000011100 |
3 | 20021220000020221 |
4 | 11120122200130 |
5 | 141103123413 |
6 | 12543051124 |
7 | 2144263543 |
oct | 530324034 |
9 | 207800227 |
10 | 90286108 |
11 | 46a67320 |
12 | 262a0aa4 |
13 | 15922243 |
14 | bdc315a |
15 | 7dd668d |
hex | 561a81c |
90286108 has 24 divisors (see below), whose sum is σ = 174731760. Its totient is φ = 40475520.
The previous prime is 90286093. The next prime is 90286121. The reversal of 90286108 is 80168209.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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, 10843 + ... + 17266.
It is an arithmetic number, because the mean of its divisors is an integer number (7280490).
Almost surely, 290286108 is an apocalyptic number.
It is an amenable number.
90286108 is a deficient number, since it is larger than the sum of its proper divisors (84445652).
90286108 is a wasteful number, since it uses less digits than its factorization.
90286108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28197 (or 28195 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 90286108 is about 9501.9002310064. The cubic root of 90286108 is about 448.6148485390.
It can be divided in two parts, 902 and 86108, that multiplied together give a triangular number (77669416 = T12463).
The spelling of 90286108 in words is "ninety million, two hundred eighty-six thousand, one hundred eight".
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