Base | Representation |
---|---|
bin | 10010100110100… |
… | …101000001101110 |
3 | 210202021110212012 |
4 | 102212211001232 |
5 | 1114344244042 |
6 | 50545241222 |
7 | 10506555230 |
oct | 2246450156 |
9 | 722243765 |
10 | 312103022 |
11 | 1501a0690 |
12 | 88633212 |
13 | 4c87795a |
14 | 2d644250 |
15 | 1c5eee82 |
hex | 129a506e |
312103022 has 32 divisors (see below), whose sum is σ = 585446400. Its totient is φ = 121229280.
The previous prime is 312103019. The next prime is 312103027. The reversal of 312103022 is 220301213.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 312102988 and 312103006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312103027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50843 + ... + 56649.
It is an arithmetic number, because the mean of its divisors is an integer number (18295200).
Almost surely, 2312103022 is an apocalyptic number.
312103022 is a deficient number, since it is larger than the sum of its proper divisors (273343378).
312103022 is a wasteful number, since it uses less digits than its factorization.
312103022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6176.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 312103022 is about 17666.4377280764. The cubic root of 312103022 is about 678.3169319658.
Adding to 312103022 its reverse (220301213), we get a palindrome (532404235).
The spelling of 312103022 in words is "three hundred twelve million, one hundred three thousand, twenty-two".
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