Base | Representation |
---|---|
bin | 10110101011000… |
… | …01001010011101 |
3 | 111020212122221212 |
4 | 23111201022131 |
5 | 342142041422 |
6 | 30512234205 |
7 | 4466406326 |
oct | 1325411235 |
9 | 436778855 |
10 | 190190237 |
11 | 983a2816 |
12 | 5383b965 |
13 | 30531203 |
14 | 1b38b44d |
15 | 11a6c9e2 |
hex | b56129d |
190190237 has 8 divisors (see below), whose sum is σ = 201641400. Its totient is φ = 178768384.
The previous prime is 190190227. The next prime is 190190251. The reversal of 190190237 is 732091091.
It is a happy number.
190190237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 54257956 + 135932281 = 7366^2 + 11659^2 .
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 190190237 - 214 = 190173853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190190227) 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, 6839 + ... + 20667.
It is an arithmetic number, because the mean of its divisors is an integer number (25205175).
Almost surely, 2190190237 is an apocalyptic number.
190190237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
190190237 is a deficient number, since it is larger than the sum of its proper divisors (11451163).
190190237 is a wasteful number, since it uses less digits than its factorization.
190190237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14655.
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 190190237 is about 13790.9476469168. The cubic root of 190190237 is about 575.0815128297.
The spelling of 190190237 in words is "one hundred ninety million, one hundred ninety thousand, two hundred thirty-seven".
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