Base | Representation |
---|---|
bin | 11001011111110… |
… | …10010000111010 |
3 | 112220110112110002 |
4 | 30233322100322 |
5 | 414223323020 |
6 | 33120153002 |
7 | 5205000242 |
oct | 1457722072 |
9 | 486415402 |
10 | 213886010 |
11 | aa8077a8 |
12 | 5b768762 |
13 | 35409890 |
14 | 20598b22 |
15 | 13b9d975 |
hex | cbfa43a |
213886010 has 48 divisors (see below), whose sum is σ = 440510616. Its totient is φ = 74314752.
The previous prime is 213886003. The next prime is 213886037. The reversal of 213886010 is 10688312.
It can be written as a sum of positive squares in 12 ways, for example, as 9138529 + 204747481 = 3023^2 + 14309^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34724 + ... + 40416.
Almost surely, 2213886010 is an apocalyptic number.
213886010 is an abundant number, since it is smaller than the sum of its proper divisors (226624606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213886010 is a wasteful number, since it uses less digits than its factorization.
213886010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5747 (or 5730 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 213886010 is about 14624.8422213711. The cubic root of 213886010 is about 598.0361812242.
The spelling of 213886010 in words is "two hundred thirteen million, eight hundred eighty-six thousand, ten".
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