Base | Representation |
---|---|
bin | 10110111111101… |
… | …100110001100110 |
3 | 222212221112022000 |
4 | 112333230301212 |
5 | 1242231002342 |
6 | 102140550130 |
7 | 12363136146 |
oct | 2677546146 |
9 | 885845260 |
10 | 385797222 |
11 | 188855188 |
12 | a9252346 |
13 | 61c0aaa5 |
14 | 39348926 |
15 | 23d0a44c |
hex | 16fecc66 |
385797222 has 32 divisors (see below), whose sum is σ = 858072960. Its totient is φ = 128487240.
The previous prime is 385797149. The next prime is 385797287. The reversal of 385797222 is 222797583.
385797222 is a `hidden beast` number, since 3 + 8 + 579 + 72 + 2 + 2 = 666.
It is a congruent number.
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, 79897 + ... + 84587.
It is an arithmetic number, because the mean of its divisors is an integer number (26814780).
Almost surely, 2385797222 is an apocalyptic number.
385797222 is an abundant number, since it is smaller than the sum of its proper divisors (472275738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385797222 is a wasteful number, since it uses less digits than its factorization.
385797222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6225 (or 6219 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The square root of 385797222 is about 19641.7214622344. The cubic root of 385797222 is about 727.9804202660.
The spelling of 385797222 in words is "three hundred eighty-five million, seven hundred ninety-seven thousand, two hundred twenty-two".
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