Base | Representation |
---|---|
bin | 1111010100010… |
… | …0111111110110 |
3 | 11110220000121020 |
4 | 3311010333312 |
5 | 112421331000 |
6 | 10213002010 |
7 | 1410036252 |
oct | 365047766 |
9 | 143800536 |
10 | 64245750 |
11 | 332a0868 |
12 | 19623306 |
13 | 1040564a |
14 | 8765262 |
15 | 5990ba0 |
hex | 3d44ff6 |
64245750 has 32 divisors (see below), whose sum is σ = 160359264. Its totient is φ = 17132000.
The previous prime is 64245743. The next prime is 64245781. The reversal of 64245750 is 5754246.
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 15 ways as a sum of consecutive naturals, for example, 42081 + ... + 43580.
It is an arithmetic number, because the mean of its divisors is an integer number (5011227).
Almost surely, 264245750 is an apocalyptic number.
64245750 is an abundant number, since it is smaller than the sum of its proper divisors (96113514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64245750 is a wasteful number, since it uses less digits than its factorization.
64245750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85681 (or 85671 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 33.
The square root of 64245750 is about 8015.3446588403. The cubic root of 64245750 is about 400.5113252544.
Adding to 64245750 its reverse (5754246), we get a palindrome (69999996).
The spelling of 64245750 in words is "sixty-four million, two hundred forty-five thousand, seven hundred fifty".
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