Base | Representation |
---|---|
bin | 1010110001011… |
… | …00001100010100 |
3 | 20022000200121220 |
4 | 11120230030110 |
5 | 141112433143 |
6 | 12544410340 |
7 | 2145015000 |
oct | 530541424 |
9 | 208020556 |
10 | 90358548 |
11 | 47006795 |
12 | 263169b0 |
13 | 159491c7 |
14 | c001700 |
15 | 7decd83 |
hex | 562c314 |
90358548 has 96 divisors (see below), whose sum is σ = 254688000. Its totient is φ = 24893568.
The previous prime is 90358511. The next prime is 90358549. The reversal of 90358548 is 84585309.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90358549) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 118986 + ... + 119742.
It is an arithmetic number, because the mean of its divisors is an integer number (2653000).
Almost surely, 290358548 is an apocalyptic number.
90358548 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 90358548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127344000).
90358548 is an abundant number, since it is smaller than the sum of its proper divisors (164329452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90358548 is a wasteful number, since it uses less digits than its factorization.
90358548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 814 (or 798 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 42.
The square root of 90358548 is about 9505.7113358233. The cubic root of 90358548 is about 448.7347967527.
The spelling of 90358548 in words is "ninety million, three hundred fifty-eight thousand, five hundred forty-eight".
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