Base | Representation |
---|---|
bin | 1010110101110… |
… | …01010100000000 |
3 | 20100010001112100 |
4 | 11122321110000 |
5 | 141234432301 |
6 | 13005030400 |
7 | 2152643133 |
oct | 532712400 |
9 | 210101470 |
10 | 90936576 |
11 | 47370aa5 |
12 | 26555400 |
13 | 15abc333 |
14 | c11221a |
15 | 7eb4286 |
hex | 56b9500 |
90936576 has 108 divisors (see below), whose sum is σ = 271432980. Its totient is φ = 29245440.
The previous prime is 90936541. The next prime is 90936581. The reversal of 90936576 is 67563909.
It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 60466176 = 5520^2 + 7776^2 .
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 11 ways as a sum of consecutive naturals, for example, 66136 + ... + 67496.
Almost surely, 290936576 is an apocalyptic number.
90936576 is a gapful number since it is divisible by the number (96) 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 90936576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135716490).
90936576 is an abundant number, since it is smaller than the sum of its proper divisors (180496404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90936576 is a wasteful number, since it uses less digits than its factorization.
90936576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1412 (or 1395 counting only the distinct ones).
The product of its (nonzero) digits is 306180, while the sum is 45.
The square root of 90936576 is about 9536.0671138578. The cubic root of 90936576 is about 449.6896230110.
The spelling of 90936576 in words is "ninety million, nine hundred thirty-six thousand, five hundred seventy-six".
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