Base | Representation |
---|---|
bin | 1010110110101… |
… | …11011111100001 |
3 | 20100100100002202 |
4 | 11123113133201 |
5 | 141302411233 |
6 | 13011422545 |
7 | 2153666420 |
oct | 533273741 |
9 | 210310082 |
10 | 91060193 |
11 | 47445964 |
12 | 265b4a55 |
13 | 15b33693 |
14 | c1452b7 |
15 | 7edabe8 |
hex | 56d77e1 |
91060193 has 4 divisors (see below), whose sum is σ = 104068800. Its totient is φ = 78051588.
The previous prime is 91060181. The next prime is 91060199. The reversal of 91060193 is 39106019.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39106019 = 71 ⋅550789.
It is a cyclic number.
It is not a de Polignac number, because 91060193 - 210 = 91059169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (91060199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504293 + ... + 6504306.
It is an arithmetic number, because the mean of its divisors is an integer number (26017200).
Almost surely, 291060193 is an apocalyptic number.
It is an amenable number.
91060193 is a deficient number, since it is larger than the sum of its proper divisors (13008607).
91060193 is a wasteful number, since it uses less digits than its factorization.
91060193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13008606.
The product of its (nonzero) digits is 1458, while the sum is 29.
The square root of 91060193 is about 9542.5464630779. The cubic root of 91060193 is about 449.8932965113.
The spelling of 91060193 in words is "ninety-one million, sixty thousand, one hundred ninety-three".
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