Base | Representation |
---|---|
bin | 10100000011010… |
… | …11111001000111 |
3 | 102201112011100101 |
4 | 22001223321013 |
5 | 321030322322 |
6 | 24405224531 |
7 | 4111540036 |
oct | 1201537107 |
9 | 381464311 |
10 | 168214087 |
11 | 86a52808 |
12 | 48402147 |
13 | 28b08482 |
14 | 184aa71d |
15 | eb7b327 |
hex | a06be47 |
168214087 has 12 divisors (see below), whose sum is σ = 178938936. Its totient is φ = 158099760.
The previous prime is 168214073. The next prime is 168214093. The reversal of 168214087 is 780412861.
168214087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 168214087 - 27 = 168213959 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 (168214097) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45513 + ... + 49069.
It is an arithmetic number, because the mean of its divisors is an integer number (14911578).
Almost surely, 2168214087 is an apocalyptic number.
168214087 is a deficient number, since it is larger than the sum of its proper divisors (10724849).
168214087 is a wasteful number, since it uses less digits than its factorization.
168214087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3726 (or 3707 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 168214087 is about 12969.7373527763. The cubic root of 168214087 is about 552.0191206270.
The spelling of 168214087 in words is "one hundred sixty-eight million, two hundred fourteen thousand, eighty-seven".
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