Base | Representation |
---|---|
bin | 1111011110010… |
… | …1111101100010 |
3 | 11112010112000001 |
4 | 3313211331202 |
5 | 113103430213 |
6 | 10235050214 |
7 | 1415453401 |
oct | 367457542 |
9 | 145115001 |
10 | 64905058 |
11 | 33701149 |
12 | 198a096a |
13 | 105a677a |
14 | 8897638 |
15 | 5a711dd |
hex | 3de5f62 |
64905058 has 8 divisors (see below), whose sum is σ = 97601580. Its totient is φ = 32371200.
The previous prime is 64905013. The next prime is 64905059. The reversal of 64905058 is 85050946.
It can be written as a sum of positive squares in 2 ways, for example, as 52606009 + 12299049 = 7253^2 + 3507^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (64905059) 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 3 ways as a sum of consecutive naturals, for example, 39663 + ... + 41266.
Almost surely, 264905058 is an apocalyptic number.
64905058 is a deficient number, since it is larger than the sum of its proper divisors (32696522).
64905058 is a wasteful number, since it uses less digits than its factorization.
64905058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81332.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 64905058 is about 8056.3675437507. The cubic root of 64905058 is about 401.8767185480.
The spelling of 64905058 in words is "sixty-four million, nine hundred five thousand, fifty-eight".
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