Base | Representation |
---|---|
bin | 10101100100110001011001 |
3 | 101122100002012 |
4 | 111210301121 |
5 | 2421440031 |
6 | 321115305 |
7 | 66033515 |
oct | 25446131 |
9 | 11570065 |
10 | 5655641 |
11 | 3213192 |
12 | 1a88b35 |
13 | 1230344 |
14 | a73145 |
15 | 76ab2b |
hex | 564c59 |
5655641 has 2 divisors, whose sum is σ = 5655642. Its totient is φ = 5655640.
The previous prime is 5655623. The next prime is 5655649. The reversal of 5655641 is 1465565.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3345241 + 2310400 = 1829^2 + 1520^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5655641 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 5655598 and 5655607.
It is not a weakly prime, because it can be changed into another prime (5655649) 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 as a sum of consecutive naturals, namely, 2827820 + 2827821.
It is an arithmetic number, because the mean of its divisors is an integer number (2827821).
Almost surely, 25655641 is an apocalyptic number.
It is an amenable number.
5655641 is a deficient number, since it is larger than the sum of its proper divisors (1).
5655641 is an equidigital number, since it uses as much as digits as its factorization.
5655641 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18000, while the sum is 32.
The square root of 5655641 is about 2378.1591620411. The cubic root of 5655641 is about 178.1670043958.
It can be divided in two parts, 565564 and 1, that added together give a palindrome (565565).
The spelling of 5655641 in words is "five million, six hundred fifty-five thousand, six hundred forty-one".
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