Base | Representation |
---|---|
bin | 1010110111100… |
… | …10000001010000 |
3 | 20100112212011000 |
4 | 11123302001100 |
5 | 141314400343 |
6 | 13014022000 |
7 | 2154631251 |
oct | 533620120 |
9 | 210485130 |
10 | 91168848 |
11 | 4750a561 |
12 | 26647900 |
13 | 15b70c84 |
14 | c172b28 |
15 | 800ced3 |
hex | 56f2050 |
91168848 has 40 divisors (see below), whose sum is σ = 261689600. Its totient is φ = 30389472.
The previous prime is 91168823. The next prime is 91168873. The reversal of 91168848 is 84886119.
It is an interprime number because it is at equal distance from previous prime (91168823) and next prime (91168873).
It is a nude number because it is divisible by every one of its digits.
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 7 ways as a sum of consecutive naturals, for example, 105088 + ... + 105951.
It is an arithmetic number, because the mean of its divisors is an integer number (6542240).
Almost surely, 291168848 is an apocalyptic number.
It is an amenable number.
91168848 is an abundant number, since it is smaller than the sum of its proper divisors (170520752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91168848 is a wasteful number, since it uses less digits than its factorization.
91168848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211056 (or 211044 counting only the distinct ones).
The product of its digits is 110592, while the sum is 45.
The square root of 91168848 is about 9548.2379526277. The cubic root of 91168848 is about 450.0721662039.
The spelling of 91168848 in words is "ninety-one million, one hundred sixty-eight thousand, eight hundred forty-eight".
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