Base | Representation |
---|---|
bin | 1011111001111110010001 |
3 | 12212120021010 |
4 | 23321332101 |
5 | 1244333131 |
6 | 150521133 |
7 | 35346150 |
oct | 13717621 |
9 | 5776233 |
10 | 3121041 |
11 | 1841980 |
12 | 10661a9 |
13 | 853791 |
14 | 5b3597 |
15 | 419b46 |
hex | 2f9f91 |
3121041 has 32 divisors (see below), whose sum is σ = 5299200. Its totient is φ = 1586880.
The previous prime is 3121039. The next prime is 3121051. The reversal of 3121041 is 1401213.
It is a happy number.
It is not a de Polignac number, because 3121041 - 21 = 3121039 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3121051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13515 + ... + 13743.
It is an arithmetic number, because the mean of its divisors is an integer number (165600).
Almost surely, 23121041 is an apocalyptic number.
It is an amenable number.
3121041 is a deficient number, since it is larger than the sum of its proper divisors (2178159).
3121041 is a wasteful number, since it uses less digits than its factorization.
3121041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 3121041 is about 1766.6468237879. The cubic root of 3121041 is about 146.1391211602.
Adding to 3121041 its reverse (1401213), we get a palindrome (4522254).
The spelling of 3121041 in words is "three million, one hundred twenty-one thousand, forty-one".
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