Base | Representation |
---|---|
bin | 10100000101011… |
… | …01111111111101 |
3 | 102202000220210001 |
4 | 22002231333331 |
5 | 321113003421 |
6 | 24415114301 |
7 | 4114045336 |
oct | 1202557775 |
9 | 382026701 |
10 | 168484861 |
11 | 87118196 |
12 | 48512991 |
13 | 28ba17ac |
14 | 1853b28d |
15 | ebd1691 |
hex | a0adffd |
168484861 has 4 divisors (see below), whose sum is σ = 168865632. Its totient is φ = 168104092.
The previous prime is 168484859. The next prime is 168484871.
168484861 is nontrivially palindromic in base 10.
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.
It is a cyclic number.
It is not a de Polignac number, because 168484861 - 21 = 168484859 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 (168484871) 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, 189721 + ... + 190606.
It is an arithmetic number, because the mean of its divisors is an integer number (42216408).
Almost surely, 2168484861 is an apocalyptic number.
It is an amenable number.
168484861 is a deficient number, since it is larger than the sum of its proper divisors (380771).
168484861 is an equidigital number, since it uses as much as digits as its factorization.
168484861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380770.
The product of its digits is 294912, while the sum is 46.
The square root of 168484861 is about 12980.1718401568. The cubic root of 168484861 is about 552.3151566642.
The spelling of 168484861 in words is "one hundred sixty-eight million, four hundred eighty-four thousand, eight hundred sixty-one".
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