Base | Representation |
---|---|
bin | 10100000100100… |
… | …01101001000000 |
3 | 102201211000102221 |
4 | 22002101221000 |
5 | 321100244304 |
6 | 24412420424 |
7 | 4113052600 |
oct | 1202215100 |
9 | 381730387 |
10 | 168368704 |
11 | 87048999 |
12 | 48477714 |
13 | 28b6096a |
14 | 1850ac00 |
15 | ebac054 |
hex | a091a40 |
168368704 has 84 divisors (see below), whose sum is σ = 396378684. Its totient is φ = 70726656.
The previous prime is 168368689. The next prime is 168368729. The reversal of 168368704 is 407863861.
168368704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 125440000 = 6552^2 + 11200^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165702 + ... + 166714.
Almost surely, 2168368704 is an apocalyptic number.
168368704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168368704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198189342).
168368704 is an abundant number, since it is smaller than the sum of its proper divisors (228009980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168368704 is a wasteful number, since it uses less digits than its factorization.
168368704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1092 (or 1075 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 168368704 is about 12975.6966672314. The cubic root of 168368704 is about 552.1882015968.
The spelling of 168368704 in words is "one hundred sixty-eight million, three hundred sixty-eight thousand, seven hundred four".
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