Base | Representation |
---|---|
bin | 10010100010110… |
… | …110000100000110 |
3 | 210200102202012122 |
4 | 102202312010012 |
5 | 1114121433410 |
6 | 50512245542 |
7 | 10465340504 |
oct | 2242660406 |
9 | 720382178 |
10 | 311124230 |
11 | 14a69226a |
12 | 882408b2 |
13 | 4c5c42a1 |
14 | 2d46b674 |
15 | 1c4a9e55 |
hex | 128b6106 |
311124230 has 16 divisors (see below), whose sum is σ = 560336400. Its totient is φ = 124380192.
The previous prime is 311124227. The next prime is 311124239. The reversal of 311124230 is 32421113.
It is a junction number, because it is equal to n+sod(n) for n = 311124199 and 311124208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311124239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12596 + ... + 27944.
It is an arithmetic number, because the mean of its divisors is an integer number (35021025).
Almost surely, 2311124230 is an apocalyptic number.
311124230 is a deficient number, since it is larger than the sum of its proper divisors (249212170).
311124230 is a wasteful number, since it uses less digits than its factorization.
311124230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17383.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 311124230 is about 17638.7139553880. The cubic root of 311124230 is about 677.6070953552.
Adding to 311124230 its reverse (32421113), we get a palindrome (343545343).
The spelling of 311124230 in words is "three hundred eleven million, one hundred twenty-four thousand, two hundred thirty".
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