Base | Representation |
---|---|
bin | 1100010011011… |
… | …10001111111110 |
3 | 21012012201021210 |
4 | 12021232033332 |
5 | 202410241110 |
6 | 14124105250 |
7 | 2362200465 |
oct | 611561776 |
9 | 235181253 |
10 | 103212030 |
11 | 532957a9 |
12 | 2a695226 |
13 | 184c980c |
14 | d9c99dc |
15 | 90db520 |
hex | 626e3fe |
103212030 has 32 divisors (see below), whose sum is σ = 248513184. Its totient is φ = 27433856.
The previous prime is 103212023. The next prime is 103212037. The reversal of 103212030 is 30212301.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (103212023) and next prime (103212037).
It is a junction number, because it is equal to n+sod(n) for n = 103211997 and 103212015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103212037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4084 + ... + 14936.
It is an arithmetic number, because the mean of its divisors is an integer number (7766037).
Almost surely, 2103212030 is an apocalyptic number.
103212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103212030 is an abundant number, since it is smaller than the sum of its proper divisors (145301154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103212030 is a wasteful number, since it uses less digits than its factorization.
103212030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11180.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 103212030 is about 10159.3321630902. The cubic root of 103212030 is about 469.0762450620.
Adding to 103212030 its reverse (30212301), we get a palindrome (133424331).
The spelling of 103212030 in words is "one hundred three million, two hundred twelve thousand, thirty".
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