Base | Representation |
---|---|
bin | 1010111101010… |
… | …11100111010001 |
3 | 20101222110221022 |
4 | 11132223213101 |
5 | 142013212131 |
6 | 13042205225 |
7 | 2164245461 |
oct | 536534721 |
9 | 211873838 |
10 | 91929041 |
11 | 47989716 |
12 | 26953815 |
13 | 16078ca9 |
14 | c2cdba1 |
15 | 810d37b |
hex | 57ab9d1 |
91929041 has 2 divisors, whose sum is σ = 91929042. Its totient is φ = 91929040.
The previous prime is 91929037. The next prime is 91929107. The reversal of 91929041 is 14092919.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 81072016 + 10857025 = 9004^2 + 3295^2 .
It is an emirp because it is prime and its reverse (14092919) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 91929041 - 22 = 91929037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 91928992 and 91929010.
It is not a weakly prime, because it can be changed into another prime (91929641) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45964520 + 45964521.
It is an arithmetic number, because the mean of its divisors is an integer number (45964521).
Almost surely, 291929041 is an apocalyptic number.
It is an amenable number.
91929041 is a deficient number, since it is larger than the sum of its proper divisors (1).
91929041 is an equidigital number, since it uses as much as digits as its factorization.
91929041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 35.
The square root of 91929041 is about 9587.9633395211. The cubic root of 91929041 is about 451.3196505467.
The spelling of 91929041 in words is "ninety-one million, nine hundred twenty-nine thousand, forty-one".
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