Base | Representation |
---|---|
bin | 1010110010111… |
… | …01100000111000 |
3 | 20022101221202010 |
4 | 11121131200320 |
5 | 141140414233 |
6 | 12553005520 |
7 | 2146515660 |
oct | 531354070 |
9 | 208357663 |
10 | 90560568 |
11 | 4713454a |
12 | 263b38a0 |
13 | 159ba147 |
14 | c0551a0 |
15 | 7e3cb63 |
hex | 565d838 |
90560568 has 96 divisors (see below), whose sum is σ = 270748800. Its totient is φ = 24725184.
The previous prime is 90560563. The next prime is 90560597. The reversal of 90560568 is 86506509.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90560563) 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 23 ways as a sum of consecutive naturals, for example, 88363 + ... + 89381.
It is an arithmetic number, because the mean of its divisors is an integer number (2820300).
Almost surely, 290560568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90560568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135374400).
90560568 is an abundant number, since it is smaller than the sum of its proper divisors (180188232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90560568 is a wasteful number, since it uses less digits than its factorization.
90560568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1081 (or 1054 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 39.
The square root of 90560568 is about 9516.3316461754. The cubic root of 90560568 is about 449.0689688913.
The spelling of 90560568 in words is "ninety million, five hundred sixty thousand, five hundred sixty-eight".
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