Base | Representation |
---|---|
bin | 10100000100011… |
… | …11101011001000 |
3 | 102201210121101120 |
4 | 22002033223020 |
5 | 321100020043 |
6 | 24412315240 |
7 | 4113020241 |
oct | 1202175310 |
9 | 381717346 |
10 | 168360648 |
11 | 87042935 |
12 | 48472b20 |
13 | 28b5a0b1 |
14 | 18507cc8 |
15 | eba9983 |
hex | a08fac8 |
168360648 has 64 divisors (see below), whose sum is σ = 433200960. Its totient is φ = 54502656.
The previous prime is 168360611. The next prime is 168360683. The reversal of 168360648 is 846063861.
It is a happy number.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135486 + ... + 136722.
It is an arithmetic number, because the mean of its divisors is an integer number (6768765).
Almost surely, 2168360648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168360648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216600480).
168360648 is an abundant number, since it is smaller than the sum of its proper divisors (264840312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168360648 is a wasteful number, since it uses less digits than its factorization.
168360648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1406 (or 1402 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 168360648 is about 12975.3862370259. The cubic root of 168360648 is about 552.1793945383.
The spelling of 168360648 in words is "one hundred sixty-eight million, three hundred sixty thousand, six hundred forty-eight".
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