Base | Representation |
---|---|
bin | 11001001101001… |
… | …11101001001010 |
3 | 112201212210110212 |
4 | 30212213221022 |
5 | 413112403232 |
6 | 32552041122 |
7 | 5145204410 |
oct | 1446475112 |
9 | 481783425 |
10 | 211450442 |
11 | a93a3935 |
12 | 5a9931a2 |
13 | 34a66108 |
14 | 201232b0 |
15 | 1386beb2 |
hex | c9a7a4a |
211450442 has 16 divisors (see below), whose sum is σ = 374180352. Its totient is φ = 87698160.
The previous prime is 211450441. The next prime is 211450453. The reversal of 211450442 is 244054112.
211450442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2114504422 = 89422578843990728, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211450441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243173 + ... + 244040.
It is an arithmetic number, because the mean of its divisors is an integer number (23386272).
Almost surely, 2211450442 is an apocalyptic number.
211450442 is a deficient number, since it is larger than the sum of its proper divisors (162729910).
211450442 is a wasteful number, since it uses less digits than its factorization.
211450442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487253.
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 211450442 is about 14541.3356332904. The cubic root of 211450442 is about 595.7575192609.
The spelling of 211450442 in words is "two hundred eleven million, four hundred fifty thousand, four hundred forty-two".
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