Base | Representation |
---|---|
bin | 1010111000111… |
… | …11010011100010 |
3 | 20100220021121000 |
4 | 11130133103202 |
5 | 141341314323 |
6 | 13022012430 |
7 | 2156333115 |
oct | 534372342 |
9 | 210807530 |
10 | 91354338 |
11 | 47626959 |
12 | 26717116 |
13 | 15c0752a |
14 | c1c057c |
15 | 8047e43 |
hex | 571f4e2 |
91354338 has 16 divisors (see below), whose sum is σ = 203009760. Its totient is φ = 30451428.
The previous prime is 91354331. The next prime is 91354339. The reversal of 91354338 is 83345319.
It is not an unprimeable number, because it can be changed into a prime (91354331) 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, 845820 + ... + 845927.
It is an arithmetic number, because the mean of its divisors is an integer number (12688110).
Almost surely, 291354338 is an apocalyptic number.
91354338 is an abundant number, since it is smaller than the sum of its proper divisors (111655422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91354338 is a wasteful number, since it uses less digits than its factorization.
91354338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1691758 (or 1691752 counting only the distinct ones).
The product of its digits is 38880, while the sum is 36.
The square root of 91354338 is about 9557.9463275329. The cubic root of 91354338 is about 450.3771948540.
The spelling of 91354338 in words is "ninety-one million, three hundred fifty-four thousand, three hundred thirty-eight".
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