Base | Representation |
---|---|
bin | 1111010011101… |
… | …0011000001010 |
3 | 11110210210221010 |
4 | 3310322120022 |
5 | 112413433000 |
6 | 10212024350 |
7 | 1406465400 |
oct | 364723012 |
9 | 143723833 |
10 | 64202250 |
11 | 33271112 |
12 | 196020b6 |
13 | 103bb8c8 |
14 | 8753470 |
15 | 5982d50 |
hex | 3d3a60a |
64202250 has 96 divisors (see below), whose sum is σ = 186518592. Its totient is φ = 14666400.
The previous prime is 64202249. The next prime is 64202279. The reversal of 64202250 is 5220246.
64202250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35877 + ... + 37623.
It is an arithmetic number, because the mean of its divisors is an integer number (1942902).
Almost surely, 264202250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64202250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93259296).
64202250 is an abundant number, since it is smaller than the sum of its proper divisors (122316342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64202250 is a wasteful number, since it uses less digits than its factorization.
64202250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1781 (or 1764 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 64202250 is about 8012.6306541610. The cubic root of 64202250 is about 400.4209110959.
Adding to 64202250 its reverse (5220246), we get a palindrome (69422496).
The spelling of 64202250 in words is "sixty-four million, two hundred two thousand, two hundred fifty".
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