Base | Representation |
---|---|
bin | 1010110111001… |
… | …11110010111000 |
3 | 20100110201200220 |
4 | 11123213302320 |
5 | 141312030333 |
6 | 13013100040 |
7 | 2154365202 |
oct | 533476270 |
9 | 210421626 |
10 | 91126968 |
11 | 47491049 |
12 | 26627620 |
13 | 15b57baa |
14 | c161772 |
15 | 80008b3 |
hex | 56e7cb8 |
91126968 has 32 divisors (see below), whose sum is σ = 231221760. Its totient is φ = 29921760.
The previous prime is 91126963. The next prime is 91126991. The reversal of 91126968 is 86962119.
It is a super-3 number, since 3×911269683 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91126963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26728 + ... + 29943.
It is an arithmetic number, because the mean of its divisors is an integer number (7225680).
Almost surely, 291126968 is an apocalyptic number.
It is an amenable number.
91126968 is an abundant number, since it is smaller than the sum of its proper divisors (140094792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91126968 is a wasteful number, since it uses less digits than its factorization.
91126968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56747 (or 56743 counting only the distinct ones).
The product of its digits is 46656, while the sum is 42.
The square root of 91126968 is about 9546.0446259171. The cubic root of 91126968 is about 450.0032394829.
The spelling of 91126968 in words is "ninety-one million, one hundred twenty-six thousand, nine hundred sixty-eight".
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