Base | Representation |
---|---|
bin | 1111010110110… |
… | …1110101001101 |
3 | 11111012112000212 |
4 | 3311231311031 |
5 | 112442204010 |
6 | 10220332205 |
7 | 1411334006 |
oct | 365556515 |
9 | 144175025 |
10 | 64413005 |
11 | 333a5498 |
12 | 196a4065 |
13 | 10463807 |
14 | 87aa1ad |
15 | 59c5505 |
hex | 3d6dd4d |
64413005 has 8 divisors (see below), whose sum is σ = 78005400. Its totient is φ = 51057216.
The previous prime is 64412987. The next prime is 64413043. The reversal of 64413005 is 50031446.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 27604516 + 36808489 = 5254^2 + 6067^2 .
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 64413005 - 26 = 64412941 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 58550 + ... + 59639.
It is an arithmetic number, because the mean of its divisors is an integer number (9750675).
Almost surely, 264413005 is an apocalyptic number.
It is an amenable number.
64413005 is a deficient number, since it is larger than the sum of its proper divisors (13592395).
64413005 is a wasteful number, since it uses less digits than its factorization.
64413005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118303.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 64413005 is about 8025.7713024980. The cubic root of 64413005 is about 400.8585828535.
The spelling of 64413005 in words is "sixty-four million, four hundred thirteen thousand, five".
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