Base | Representation |
---|---|
bin | 1010110110110… |
… | …00101010111100 |
3 | 20100100120201112 |
4 | 11123120222330 |
5 | 141303040040 |
6 | 13011501152 |
7 | 2154016454 |
oct | 533305274 |
9 | 210316645 |
10 | 91065020 |
11 | 47449552 |
12 | 265b77b8 |
13 | 15b35937 |
14 | c146d64 |
15 | 7edc365 |
hex | 56d8abc |
91065020 has 12 divisors (see below), whose sum is σ = 191236584. Its totient is φ = 36426000.
The previous prime is 91065001. The next prime is 91065053. The reversal of 91065020 is 2056019.
It is a super-3 number, since 3×910650203 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276606 + ... + 2276645.
It is an arithmetic number, because the mean of its divisors is an integer number (15936382).
Almost surely, 291065020 is an apocalyptic number.
It is an amenable number.
91065020 is an abundant number, since it is smaller than the sum of its proper divisors (100171564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91065020 is a wasteful number, since it uses less digits than its factorization.
91065020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4553260 (or 4553258 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 91065020 is about 9542.7993796370. The cubic root of 91065020 is about 449.9012458193.
The spelling of 91065020 in words is "ninety-one million, sixty-five thousand, twenty".
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