Base | Representation |
---|---|
bin | 10110000110011… |
… | …10111000100000 |
3 | 110220212010112222 |
4 | 23003032320200 |
5 | 334430144033 |
6 | 30221410212 |
7 | 4410563234 |
oct | 1303167040 |
9 | 426763488 |
10 | 185396768 |
11 | 95719377 |
12 | 52109968 |
13 | 2c54343b |
14 | 1a8a05c4 |
15 | 11422598 |
hex | b0cee20 |
185396768 has 54 divisors (see below), whose sum is σ = 382629429. Its totient is φ = 88423552.
The previous prime is 185396723. The next prime is 185396773. The reversal of 185396768 is 867693581.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 185286544 + 110224 = 13612^2 + 332^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=9628.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2233655 + ... + 2233737.
Almost surely, 2185396768 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 185396768
185396768 is an abundant number, since it is smaller than the sum of its proper divisors (197232661).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185396768 is an frugal number, since it uses more digits than its factorization.
185396768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234 (or 114 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 53.
The square root of 185396768 is about 13616.0481785282. The cubic root of 185396768 is about 570.2089805174.
The spelling of 185396768 in words is "one hundred eighty-five million, three hundred ninety-six thousand, seven hundred sixty-eight".
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