Base | Representation |
---|---|
bin | 11001001011000… |
… | …00110011100010 |
3 | 112201100001110111 |
4 | 30211200303202 |
5 | 413024112130 |
6 | 32541521534 |
7 | 5142555445 |
oct | 1445406342 |
9 | 481301414 |
10 | 211160290 |
11 | a9215940 |
12 | 5a8732aa |
13 | 34994023 |
14 | 2008965c |
15 | 1381102a |
hex | c960ce2 |
211160290 has 32 divisors (see below), whose sum is σ = 417317184. Its totient is φ = 76290240.
The previous prime is 211160273. The next prime is 211160297. The reversal of 211160290 is 92061112.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (211160297) 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, 11157 + ... + 23383.
It is an arithmetic number, because the mean of its divisors is an integer number (13041162).
Almost surely, 2211160290 is an apocalyptic number.
211160290 is a deficient number, since it is larger than the sum of its proper divisors (206156894).
211160290 is a wasteful number, since it uses less digits than its factorization.
211160290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12402.
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 211160290 is about 14531.3554082198. The cubic root of 211160290 is about 595.4848953140.
The spelling of 211160290 in words is "two hundred eleven million, one hundred sixty thousand, two hundred ninety".
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