Base | Representation |
---|---|
bin | 1111010011101… |
… | …1000110001011 |
3 | 11110210221222012 |
4 | 3310323012023 |
5 | 112414031240 |
6 | 10212050135 |
7 | 1406510105 |
oct | 364730613 |
9 | 143727865 |
10 | 64205195 |
11 | 3327334a |
12 | 1960394b |
13 | 103c0052 |
14 | 8754575 |
15 | 5983b65 |
hex | 3d3b18b |
64205195 has 8 divisors (see below), whose sum is σ = 77809680. Its totient is φ = 50855200.
The previous prime is 64205191. The next prime is 64205201. The reversal of 64205195 is 59150246.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64205195 - 22 = 64205191 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64205191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63065 + ... + 64074.
It is an arithmetic number, because the mean of its divisors is an integer number (9726210).
Almost surely, 264205195 is an apocalyptic number.
64205195 is a deficient number, since it is larger than the sum of its proper divisors (13604485).
64205195 is a wasteful number, since it uses less digits than its factorization.
64205195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127245.
The product of its (nonzero) digits is 10800, while the sum is 32.
The square root of 64205195 is about 8012.8144244079. The cubic root of 64205195 is about 400.4270335270.
The spelling of 64205195 in words is "sixty-four million, two hundred five thousand, one hundred ninety-five".
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