Base | Representation |
---|---|
bin | 1111011100100… |
… | …1111111001001 |
3 | 11111220200211011 |
4 | 3313021333021 |
5 | 113041243343 |
6 | 10232403521 |
7 | 1414465336 |
oct | 367117711 |
9 | 144820734 |
10 | 64790473 |
11 | 33633050 |
12 | 198465a1 |
13 | 10566577 |
14 | 886798d |
15 | 5a4c29d |
hex | 3dc9fc9 |
64790473 has 8 divisors (see below), whose sum is σ = 70874496. Its totient is φ = 58738800.
The previous prime is 64790461. The next prime is 64790477. The reversal of 64790473 is 37409746.
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 64790473 - 29 = 64789961 is a prime.
It is a super-3 number, since 3×647904733 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (64790477) 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 in 7 ways as a sum of consecutive naturals, for example, 3793 + ... + 11998.
It is an arithmetic number, because the mean of its divisors is an integer number (8859312).
Almost surely, 264790473 is an apocalyptic number.
It is an amenable number.
64790473 is a deficient number, since it is larger than the sum of its proper divisors (6084023).
64790473 is a wasteful number, since it uses less digits than its factorization.
64790473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16175.
The product of its (nonzero) digits is 127008, while the sum is 40.
The square root of 64790473 is about 8049.2529467026. The cubic root of 64790473 is about 401.6400848632.
The spelling of 64790473 in words is "sixty-four million, seven hundred ninety thousand, four hundred seventy-three".
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