Base | Representation |
---|---|
bin | 10100000100010… |
… | …11111111011000 |
3 | 102201202211200202 |
4 | 22002023333120 |
5 | 321044024220 |
6 | 24412121332 |
7 | 4112625245 |
oct | 1202137730 |
9 | 381684622 |
10 | 168345560 |
11 | 87032569 |
12 | 48466248 |
13 | 28b53276 |
14 | 185025cc |
15 | eba5275 |
hex | a08bfd8 |
168345560 has 64 divisors (see below), whose sum is σ = 411959520. Its totient is φ = 61655040.
The previous prime is 168345557. The next prime is 168345563. The reversal of 168345560 is 65543861.
168345560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (168345557) and next prime (168345563).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168345563) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21815 + ... + 28505.
Almost surely, 2168345560 is an apocalyptic number.
168345560 is a gapful number since it is divisible by the number (10) 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 168345560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205979760).
168345560 is an abundant number, since it is smaller than the sum of its proper divisors (243613960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168345560 is a wasteful number, since it uses less digits than its factorization.
168345560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6756 (or 6752 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The square root of 168345560 is about 12974.8048154876. The cubic root of 168345560 is about 552.1628991325.
The spelling of 168345560 in words is "one hundred sixty-eight million, three hundred forty-five thousand, five hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •