Base | Representation |
---|---|
bin | 1111011101001… |
… | …1010001111101 |
3 | 11111222122001002 |
4 | 3313103101331 |
5 | 113044003131 |
6 | 10233300045 |
7 | 1415014331 |
oct | 367232175 |
9 | 144878032 |
10 | 64828541 |
11 | 33659708 |
12 | 19864625 |
13 | 1057a9ab |
14 | 88777c1 |
15 | 5a586cb |
hex | 3dd347d |
64828541 has 2 divisors, whose sum is σ = 64828542. Its totient is φ = 64828540.
The previous prime is 64828493. The next prime is 64828549. The reversal of 64828541 is 14582846.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 43943641 + 20884900 = 6629^2 + 4570^2 .
It is a cyclic number.
It is not a de Polignac number, because 64828541 - 210 = 64827517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64828495 and 64828504.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64828549) 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 as a sum of consecutive naturals, namely, 32414270 + 32414271.
It is an arithmetic number, because the mean of its divisors is an integer number (32414271).
Almost surely, 264828541 is an apocalyptic number.
It is an amenable number.
64828541 is a deficient number, since it is larger than the sum of its proper divisors (1).
64828541 is an equidigital number, since it uses as much as digits as its factorization.
64828541 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 61440, while the sum is 38.
The square root of 64828541 is about 8051.6172909547. The cubic root of 64828541 is about 401.7187314117.
The spelling of 64828541 in words is "sixty-four million, eight hundred twenty-eight thousand, five hundred forty-one".
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