Base | Representation |
---|---|
bin | 1010111001001… |
… | …10111000000110 |
3 | 20100221212010121 |
4 | 11130212320012 |
5 | 141343312400 |
6 | 13022412154 |
7 | 2156522410 |
oct | 534467006 |
9 | 210855117 |
10 | 91385350 |
11 | 47648191 |
12 | 2673105a |
13 | 15c18694 |
14 | c1cb9b0 |
15 | 805221a |
hex | 5726e06 |
91385350 has 24 divisors (see below), whose sum is σ = 194259888. Its totient is φ = 31332000.
The previous prime is 91385341. The next prime is 91385389. The reversal of 91385350 is 5358319.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 130201 + ... + 130900.
It is an arithmetic number, because the mean of its divisors is an integer number (8094162).
Almost surely, 291385350 is an apocalyptic number.
91385350 is an abundant number, since it is smaller than the sum of its proper divisors (102874538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91385350 is a wasteful number, since it uses less digits than its factorization.
91385350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261120 (or 261115 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 34.
The square root of 91385350 is about 9559.5685049065. The cubic root of 91385350 is about 450.4281521765.
The spelling of 91385350 in words is "ninety-one million, three hundred eighty-five thousand, three hundred fifty".
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