Base | Representation |
---|---|
bin | 10110101101010… |
… | …01101000000001 |
3 | 111021102202002121 |
4 | 23112221220001 |
5 | 342231041131 |
6 | 30522444241 |
7 | 4502053543 |
oct | 1326515001 |
9 | 437382077 |
10 | 190487041 |
11 | 98585808 |
12 | 53963681 |
13 | 30606334 |
14 | 1b427693 |
15 | 11aca911 |
hex | b5a9a01 |
190487041 has 2 divisors, whose sum is σ = 190487042. Its totient is φ = 190487040.
The previous prime is 190487039. The next prime is 190487069. The reversal of 190487041 is 140784091.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 136890000 + 53597041 = 11700^2 + 7321^2 .
It is a cyclic number.
It is not a de Polignac number, because 190487041 - 21 = 190487039 is a prime.
Together with 190487039, it forms a pair of twin primes.
It is equal to p10580992 and since 190487041 and 10580992 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 190486988 and 190487006.
It is not a weakly prime, because it can be changed into another prime (190481041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95243520 + 95243521.
It is an arithmetic number, because the mean of its divisors is an integer number (95243521).
Almost surely, 2190487041 is an apocalyptic number.
It is an amenable number.
190487041 is a deficient number, since it is larger than the sum of its proper divisors (1).
190487041 is an equidigital number, since it uses as much as digits as its factorization.
190487041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 190487041 is about 13801.7042788201. The cubic root of 190487041 is about 575.3805078147.
The spelling of 190487041 in words is "one hundred ninety million, four hundred eighty-seven thousand, forty-one".
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