Base | Representation |
---|---|
bin | 1010110111001… |
… | …00101100010101 |
3 | 20100110002021021 |
4 | 11123210230111 |
5 | 141311124021 |
6 | 13012521141 |
7 | 2154313150 |
oct | 533445425 |
9 | 210402237 |
10 | 91114261 |
11 | 47482547 |
12 | 266201b1 |
13 | 15b52184 |
14 | c15ac97 |
15 | 7eebc41 |
hex | 56e4b15 |
91114261 has 8 divisors (see below), whose sum is σ = 106095744. Its totient is φ = 76624080.
The previous prime is 91114217. The next prime is 91114307. The reversal of 91114261 is 16241119.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 91114261 - 215 = 91081493 is a prime.
It is a super-2 number, since 2×911142612 = 16603617115152242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91114211) 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, 122425 + ... + 123166.
It is an arithmetic number, because the mean of its divisors is an integer number (13261968).
Almost surely, 291114261 is an apocalyptic number.
It is an amenable number.
91114261 is a deficient number, since it is larger than the sum of its proper divisors (14981483).
91114261 is a wasteful number, since it uses less digits than its factorization.
91114261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245651.
The product of its digits is 432, while the sum is 25.
The square root of 91114261 is about 9545.3790390953. The cubic root of 91114261 is about 449.9823219393.
The spelling of 91114261 in words is "ninety-one million, one hundred fourteen thousand, two hundred sixty-one".
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