Base | Representation |
---|---|
bin | 10100000101111… |
… | …10011001101111 |
3 | 102202011022221102 |
4 | 22002332121233 |
5 | 321122131142 |
6 | 24420353315 |
7 | 4114445246 |
oct | 1202763157 |
9 | 382138842 |
10 | 168552047 |
11 | 87163714 |
12 | 4854583b |
13 | 28bc6251 |
14 | 1855795d |
15 | ebe6532 |
hex | a0be66f |
168552047 has 2 divisors, whose sum is σ = 168552048. Its totient is φ = 168552046.
The previous prime is 168552029. The next prime is 168552049. The reversal of 168552047 is 740255861.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 168552047 - 28 = 168551791 is a prime.
Together with 168552049, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 168552047.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (168552049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84276023 + 84276024.
It is an arithmetic number, because the mean of its divisors is an integer number (84276024).
Almost surely, 2168552047 is an apocalyptic number.
168552047 is a deficient number, since it is larger than the sum of its proper divisors (1).
168552047 is an equidigital number, since it uses as much as digits as its factorization.
168552047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 67200, while the sum is 38.
The square root of 168552047 is about 12982.7596064935. The cubic root of 168552047 is about 552.3885617059.
The spelling of 168552047 in words is "one hundred sixty-eight million, five hundred fifty-two thousand, forty-seven".
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