Base | Representation |
---|---|
bin | 1011111010111111011101 |
3 | 12212202222122 |
4 | 23322333131 |
5 | 1300001323 |
6 | 150552325 |
7 | 35364260 |
oct | 13727735 |
9 | 5782878 |
10 | 3125213 |
11 | 1845023 |
12 | 10686a5 |
13 | 855650 |
14 | 5b4cd7 |
15 | 41aec8 |
hex | 2fafdd |
3125213 has 16 divisors (see below), whose sum is σ = 3916416. Its totient is φ = 2427840.
The previous prime is 3125209. The next prime is 3125219.
3125213 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 3125213 - 22 = 3125209 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3125191 and 3125200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3125219) 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, 5270 + ... + 5832.
It is an arithmetic number, because the mean of its divisors is an integer number (244776).
Almost surely, 23125213 is an apocalyptic number.
It is an amenable number.
3125213 is a deficient number, since it is larger than the sum of its proper divisors (791203).
3125213 is a wasteful number, since it uses less digits than its factorization.
3125213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644.
The product of its digits is 180, while the sum is 17.
The square root of 3125213 is about 1767.8271974376. The cubic root of 3125213 is about 146.2042085193.
The spelling of 3125213 in words is "three million, one hundred twenty-five thousand, two hundred thirteen".
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