Base | Representation |
---|---|
bin | 1111011101011… |
… | …0010101011001 |
3 | 11112000021012100 |
4 | 3313112111121 |
5 | 113044403144 |
6 | 10233434013 |
7 | 1415065650 |
oct | 367262531 |
9 | 145007170 |
10 | 64841049 |
11 | 33668049 |
12 | 1986b909 |
13 | 105835b0 |
14 | 887c197 |
15 | 5a5c269 |
hex | 3dd6559 |
64841049 has 48 divisors (see below), whose sum is σ = 118145664. Its totient is φ = 33350400.
The previous prime is 64841027. The next prime is 64841083. The reversal of 64841049 is 94014846.
It is a happy number.
64841049 is a `hidden beast` number, since 648 + 4 + 1 + 0 + 4 + 9 = 666.
It is not a de Polignac number, because 64841049 - 215 = 64808281 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (64841089) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32614 + ... + 34544.
It is an arithmetic number, because the mean of its divisors is an integer number (2461368).
Almost surely, 264841049 is an apocalyptic number.
It is an amenable number.
64841049 is a deficient number, since it is larger than the sum of its proper divisors (53304615).
64841049 is a wasteful number, since it uses less digits than its factorization.
64841049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1998 (or 1995 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 64841049 is about 8052.3939918511. The cubic root of 64841049 is about 401.7445655823.
The spelling of 64841049 in words is "sixty-four million, eight hundred forty-one thousand, forty-nine".
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