Base | Representation |
---|---|
bin | 10101111101101… |
… | …101110111011101 |
3 | 221200101202020011 |
4 | 111331231313131 |
5 | 1223314001224 |
6 | 100322123221 |
7 | 12063125401 |
oct | 2575556735 |
9 | 850352204 |
10 | 368500189 |
11 | 17a010712 |
12 | a34b0511 |
13 | 5b462a65 |
14 | 36d25101 |
15 | 22540394 |
hex | 15f6dddd |
368500189 has 4 divisors (see below), whose sum is σ = 371944224. Its totient is φ = 365056156.
The previous prime is 368500183. The next prime is 368500199. The reversal of 368500189 is 981005863.
It is a happy number.
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: 981005863 = 24371 ⋅40253.
It is a cyclic number.
It is not a de Polignac number, because 368500189 - 27 = 368500061 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (368500183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721857 + ... + 1722070.
It is an arithmetic number, because the mean of its divisors is an integer number (92986056).
Almost surely, 2368500189 is an apocalyptic number.
It is an amenable number.
368500189 is a deficient number, since it is larger than the sum of its proper divisors (3444035).
368500189 is a wasteful number, since it uses less digits than its factorization.
368500189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3444034.
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 368500189 is about 19196.3587432617. The cubic root of 368500189 is about 716.9341013322.
The spelling of 368500189 in words is "three hundred sixty-eight million, five hundred thousand, one hundred eighty-nine".
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