Base | Representation |
---|---|
bin | 1111010001100… |
… | …0001000011111 |
3 | 11110112200112001 |
4 | 3310120020133 |
5 | 112344440413 |
6 | 10205023131 |
7 | 1405342426 |
oct | 364301037 |
9 | 143480461 |
10 | 64061983 |
11 | 33185797 |
12 | 19554aa7 |
13 | 1036cacb |
14 | 87182bd |
15 | 59564dd |
hex | 3d1821f |
64061983 has 8 divisors (see below), whose sum is σ = 65656448. Its totient is φ = 62486424.
The previous prime is 64061981. The next prime is 64061989. The reversal of 64061983 is 38916046.
64061983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64061983 - 21 = 64061981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64061981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260 + ... + 11542.
It is an arithmetic number, because the mean of its divisors is an integer number (8207056).
Almost surely, 264061983 is an apocalyptic number.
64061983 is a deficient number, since it is larger than the sum of its proper divisors (1594465).
64061983 is a wasteful number, since it uses less digits than its factorization.
64061983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9453.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 64061983 is about 8003.8729999919. The cubic root of 64061983 is about 400.1290895852.
The spelling of 64061983 in words is "sixty-four million, sixty-one thousand, nine hundred eighty-three".
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