Base | Representation |
---|---|
bin | 10100000100101… |
… | …00111001111111 |
3 | 102201211200210022 |
4 | 22002110321333 |
5 | 321101211304 |
6 | 24413002355 |
7 | 4113136565 |
oct | 1202247177 |
9 | 381750708 |
10 | 168382079 |
11 | 87057a48 |
12 | 484833bb |
13 | 28b66a88 |
14 | 18511a35 |
15 | ebb0ebe |
hex | a094e7f |
168382079 has 4 divisors (see below), whose sum is σ = 172932984. Its totient is φ = 163831176.
The previous prime is 168382073. The next prime is 168382087. The reversal of 168382079 is 970283861.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 168382079 - 28 = 168381823 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 (168382073) 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, 2275397 + ... + 2275470.
It is an arithmetic number, because the mean of its divisors is an integer number (43233246).
Almost surely, 2168382079 is an apocalyptic number.
168382079 is a deficient number, since it is larger than the sum of its proper divisors (4550905).
168382079 is an equidigital number, since it uses as much as digits as its factorization.
168382079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4550904.
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 168382079 is about 12976.2120435819. The cubic root of 168382079 is about 552.2028229238.
The spelling of 168382079 in words is "one hundred sixty-eight million, three hundred eighty-two thousand, seventy-nine".
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