Base | Representation |
---|---|
bin | 1010110101111… |
… | …00110010100000 |
3 | 20100010210001202 |
4 | 11122330302200 |
5 | 141240411231 |
6 | 13005220332 |
7 | 2153032505 |
oct | 532746240 |
9 | 210123052 |
10 | 90950816 |
11 | 47380770 |
12 | 265616a8 |
13 | 15ac5968 |
14 | c1174ac |
15 | 7eb85cb |
hex | 56bcca0 |
90950816 has 48 divisors (see below), whose sum is σ = 206841600. Its totient is φ = 38906880.
The previous prime is 90950813. The next prime is 90950831. The reversal of 90950816 is 61805909.
It is a self number, because there is not a number n which added to its sum of digits gives 90950816.
It is not an unprimeable number, because it can be changed into a prime (90950813) 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, 1616 + ... + 13583.
It is an arithmetic number, because the mean of its divisors is an integer number (4309200).
Almost surely, 290950816 is an apocalyptic number.
It is an amenable number.
90950816 is an abundant number, since it is smaller than the sum of its proper divisors (115890784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90950816 is a wasteful number, since it uses less digits than its factorization.
90950816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15237 (or 15229 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 38.
The square root of 90950816 is about 9536.8137236710. The cubic root of 90950816 is about 449.7130944834.
The spelling of 90950816 in words is "ninety million, nine hundred fifty thousand, eight hundred sixteen".
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