Base | Representation |
---|---|
bin | 1111010101110… |
… | …0101111011000 |
3 | 11111001222000002 |
4 | 3311130233120 |
5 | 112432434000 |
6 | 10215032132 |
7 | 1410622631 |
oct | 365345730 |
9 | 144058002 |
10 | 64343000 |
11 | 33357937 |
12 | 1966b648 |
13 | 1043a9a7 |
14 | 878c888 |
15 | 59ae8d5 |
hex | 3d5cbd8 |
64343000 has 96 divisors (see below), whose sum is σ = 158034240. Its totient is φ = 24508800.
The previous prime is 64342997. The next prime is 64343017. The reversal of 64343000 is 34346.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1368977 + ... + 1369023.
It is an arithmetic number, because the mean of its divisors is an integer number (1646190).
Almost surely, 264343000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79017120).
64343000 is an abundant number, since it is smaller than the sum of its proper divisors (93691240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64343000 is a wasteful number, since it uses less digits than its factorization.
64343000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142 (or 91 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 64343000 is about 8021.4088538112. The cubic root of 64343000 is about 400.7133105474.
Adding to 64343000 its reverse (34346), we get a palindrome (64377346).
It can be divided in two parts, 64 and 343000, that multiplied together give a cube (21952000 = 2803).
The spelling of 64343000 in words is "sixty-four million, three hundred forty-three thousand".
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