Base | Representation |
---|---|
bin | 1100000110011100100010 |
3 | 12222011100022 |
4 | 30012130202 |
5 | 1303002010 |
6 | 151553442 |
7 | 35651123 |
oct | 14063442 |
9 | 5864308 |
10 | 3172130 |
11 | 18772a5 |
12 | 108b882 |
13 | 870b00 |
14 | 5c804a |
15 | 429d55 |
hex | 306722 |
3172130 has 24 divisors (see below), whose sum is σ = 6186132. Its totient is φ = 1170624.
The previous prime is 3172123. The next prime is 3172133. The reversal of 3172130 is 312713.
It can be written as a sum of positive squares in 6 ways, for example, as 452929 + 2719201 = 673^2 + 1649^2 .
It is a junction number, because it is equal to n+sod(n) for n = 3172099 and 3172108.
It is not an unprimeable number, because it can be changed into a prime (3172133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752 + ... + 2628.
Almost surely, 23172130 is an apocalyptic number.
3172130 is a deficient number, since it is larger than the sum of its proper divisors (3014002).
3172130 is a wasteful number, since it uses less digits than its factorization.
3172130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1910 (or 1897 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 3172130 is about 1781.0474446235. The cubic root of 3172130 is about 146.9322037628.
Adding to 3172130 its reverse (312713), we get a palindrome (3484843).
The spelling of 3172130 in words is "three million, one hundred seventy-two thousand, one hundred thirty".
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