Base | Representation |
---|---|
bin | 1000011000011111010101 |
3 | 11010122100110 |
4 | 20120133111 |
5 | 1030304321 |
6 | 115033233 |
7 | 24451410 |
oct | 10303725 |
9 | 4118313 |
10 | 2197461 |
11 | 1270a92 |
12 | 89b819 |
13 | 5bc296 |
14 | 412b77 |
15 | 2d6176 |
hex | 2187d5 |
2197461 has 16 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 1247808.
The previous prime is 2197453. The next prime is 2197463. The reversal of 2197461 is 1647912.
It is a happy number.
2197461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2197461 - 23 = 2197453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2197463) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 5455 + ... + 5843.
It is an arithmetic number, because the mean of its divisors is an integer number (210600).
22197461 is an apocalyptic number.
2197461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2197461 is a deficient number, since it is larger than the sum of its proper divisors (1172139).
2197461 is a wasteful number, since it uses less digits than its factorization.
2197461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 668.
The product of its digits is 3024, while the sum is 30.
The square root of 2197461 is about 1482.3835536055. The cubic root of 2197461 is about 130.0090920663.
The spelling of 2197461 in words is "two million, one hundred ninety-seven thousand, four hundred sixty-one".
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