Base | Representation |
---|---|
bin | 1010110001100… |
… | …10001011001000 |
3 | 20022001221020022 |
4 | 11120302023020 |
5 | 141114224143 |
6 | 12545120012 |
7 | 2145146300 |
oct | 530621310 |
9 | 208057208 |
10 | 90383048 |
11 | 47023138 |
12 | 26329008 |
13 | 159573c2 |
14 | c00a600 |
15 | 7e05268 |
hex | 56322c8 |
90383048 has 48 divisors (see below), whose sum is σ = 199252620. Its totient is φ = 38320128.
The previous prime is 90383039. The next prime is 90383081. The reversal of 90383048 is 84038309.
It is a Cunningham number, because it is equal to 95072-1.
It can be written as a sum of positive squares in 2 ways, for example, as 89832484 + 550564 = 9478^2 + 742^2 .
It is a junction number, because it is equal to n+sod(n) for n = 90382999 and 90383017.
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 11 ways as a sum of consecutive naturals, for example, 36836 + ... + 39212.
Almost surely, 290383048 is an apocalyptic number.
90383048 is a gapful number since it is divisible by the number (98) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90383048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99626310).
90383048 is an abundant number, since it is smaller than the sum of its proper divisors (108869572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90383048 is a wasteful number, since it uses less digits than its factorization.
90383048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2494 (or 2483 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 90383048 is about 9506.9999474072. Note that the first 4 decimals coincide. The cubic root of 90383048 is about 448.7753500420.
The spelling of 90383048 in words is "ninety million, three hundred eighty-three thousand, forty-eight".
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