Base | Representation |
---|---|
bin | 1011111100010010001001 |
3 | 12220001020122 |
4 | 23330102021 |
5 | 1300134010 |
6 | 151033025 |
7 | 35415560 |
oct | 13742211 |
9 | 5801218 |
10 | 3130505 |
11 | 1848aa4 |
12 | 106b775 |
13 | 857b91 |
14 | 5b6bd7 |
15 | 41c855 |
hex | 2fc489 |
3130505 has 8 divisors (see below), whose sum is σ = 4293312. Its totient is φ = 2146608.
The previous prime is 3130493. The next prime is 3130513. The reversal of 3130505 is 5050313.
3130505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3130505 - 28 = 3130249 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 44687 + ... + 44756.
It is an arithmetic number, because the mean of its divisors is an integer number (536664).
Almost surely, 23130505 is an apocalyptic number.
3130505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3130505 is a deficient number, since it is larger than the sum of its proper divisors (1162807).
3130505 is an equidigital number, since it uses as much as digits as its factorization.
3130505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89455.
The product of its (nonzero) digits is 225, while the sum is 17.
The square root of 3130505 is about 1769.3233169774. The cubic root of 3130505 is about 146.2866857101.
Adding to 3130505 its reverse (5050313), we get a palindrome (8180818).
The spelling of 3130505 in words is "three million, one hundred thirty thousand, five hundred five".
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