Base | Representation |
---|---|
bin | 10100000101100… |
… | …00000110101011 |
3 | 102202001100121101 |
4 | 22002300012223 |
5 | 321113242413 |
6 | 24415222231 |
7 | 4114112434 |
oct | 1202600653 |
9 | 382040541 |
10 | 168493483 |
11 | 87123714 |
12 | 48517977 |
13 | 28ba56b2 |
14 | 1854048b |
15 | ebd3edd |
hex | a0b01ab |
168493483 has 4 divisors (see below), whose sum is σ = 168540120. Its totient is φ = 168446848.
The previous prime is 168493453. The next prime is 168493487. The reversal of 168493483 is 384394861.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384394861 = 2203 ⋅174487.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-168493483 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168493487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17398 + ... + 25291.
It is an arithmetic number, because the mean of its divisors is an integer number (42135030).
Almost surely, 2168493483 is an apocalyptic number.
168493483 is a deficient number, since it is larger than the sum of its proper divisors (46637).
168493483 is an equidigital number, since it uses as much as digits as its factorization.
168493483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46636.
The product of its digits is 497664, while the sum is 46.
The square root of 168493483 is about 12980.5039578593. The cubic root of 168493483 is about 552.3245778470.
The spelling of 168493483 in words is "one hundred sixty-eight million, four hundred ninety-three thousand, four hundred eighty-three".
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