Base | Representation |
---|---|
bin | 1011111010100001011101 |
3 | 12212200100112 |
4 | 23322201131 |
5 | 1244421133 |
6 | 150535405 |
7 | 35355545 |
oct | 13724135 |
9 | 5780315 |
10 | 3123293 |
11 | 1843638 |
12 | 1067565 |
13 | 854804 |
14 | 5b4325 |
15 | 41a648 |
hex | 2fa85d |
3123293 has 4 divisors (see below), whose sum is σ = 3137280. Its totient is φ = 3109308.
The previous prime is 3123287. The next prime is 3123317. The reversal of 3123293 is 3923213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3923213 = 7 ⋅560459.
It is a cyclic number.
It is not a de Polignac number, because 3123293 - 28 = 3123037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3123203) 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 3 ways as a sum of consecutive naturals, for example, 6653 + ... + 7106.
It is an arithmetic number, because the mean of its divisors is an integer number (784320).
Almost surely, 23123293 is an apocalyptic number.
It is an amenable number.
3123293 is a deficient number, since it is larger than the sum of its proper divisors (13987).
3123293 is a wasteful number, since it uses less digits than its factorization.
3123293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13986.
The product of its digits is 972, while the sum is 23.
The square root of 3123293 is about 1767.2840745053. The cubic root of 3123293 is about 146.1742618047.
The spelling of 3123293 in words is "three million, one hundred twenty-three thousand, two hundred ninety-three".
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