Base | Representation |
---|---|
bin | 1111010011111… |
… | …1111110100001 |
3 | 11110211222101120 |
4 | 3310333332201 |
5 | 112420201220 |
6 | 10212322453 |
7 | 1406622303 |
oct | 364777641 |
9 | 143758346 |
10 | 64225185 |
11 | 33287372 |
12 | 19613429 |
13 | 103c918b |
14 | 875b973 |
15 | 5989a40 |
hex | 3d3ffa1 |
64225185 has 8 divisors (see below), whose sum is σ = 102760320. Its totient is φ = 34253424.
The previous prime is 64225163. The next prime is 64225199. The reversal of 64225185 is 58152246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64225185 - 25 = 64225153 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140825 + ... + 2140854.
It is an arithmetic number, because the mean of its divisors is an integer number (12845040).
Almost surely, 264225185 is an apocalyptic number.
It is an amenable number.
64225185 is a deficient number, since it is larger than the sum of its proper divisors (38535135).
64225185 is a wasteful number, since it uses less digits than its factorization.
64225185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4281687.
The product of its digits is 19200, while the sum is 33.
The square root of 64225185 is about 8014.0617042795. The cubic root of 64225185 is about 400.4685862696.
The spelling of 64225185 in words is "sixty-four million, two hundred twenty-five thousand, one hundred eighty-five".
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