Base | Representation |
---|---|
bin | 1111011111000… |
… | …0010010001101 |
3 | 11112012200000002 |
4 | 3313300102031 |
5 | 113111303331 |
6 | 10240014045 |
7 | 1416020564 |
oct | 367602215 |
9 | 145180002 |
10 | 64947341 |
11 | 3372a998 |
12 | 19901325 |
13 | 105bcaa4 |
14 | 88a8bdb |
15 | 5a7d9cb |
hex | 3df048d |
64947341 has 2 divisors, whose sum is σ = 64947342. Its totient is φ = 64947340.
The previous prime is 64947287. The next prime is 64947347. The reversal of 64947341 is 14374946.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 48706441 + 16240900 = 6979^2 + 4030^2 .
It is a cyclic number.
It is not a de Polignac number, because 64947341 - 210 = 64946317 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 64947295 and 64947304.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64947347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32473670 + 32473671.
It is an arithmetic number, because the mean of its divisors is an integer number (32473671).
Almost surely, 264947341 is an apocalyptic number.
It is an amenable number.
64947341 is a deficient number, since it is larger than the sum of its proper divisors (1).
64947341 is an equidigital number, since it uses as much as digits as its factorization.
64947341 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 38.
The square root of 64947341 is about 8058.9913140541. The cubic root of 64947341 is about 401.9639683719.
The spelling of 64947341 in words is "sixty-four million, nine hundred forty-seven thousand, three hundred forty-one".
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