Base | Representation |
---|---|
bin | 1111100110011… |
… | …0001100011100 |
3 | 11120010012111110 |
4 | 3321212030130 |
5 | 113222232200 |
6 | 10254222020 |
7 | 1423101615 |
oct | 371461434 |
9 | 146105443 |
10 | 65430300 |
11 | 33a2a831 |
12 | 19ab4910 |
13 | 1072b870 |
14 | 8992c0c |
15 | 5b26b50 |
hex | 3e6631c |
65430300 has 144 divisors (see below), whose sum is σ = 214847360. Its totient is φ = 15240960.
The previous prime is 65430289. The next prime is 65430307. The reversal of 65430300 is 303456.
It is a super-2 number, since 2×654303002 = 8562248316180000, which contains 22 as substring.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65430307) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73659 + ... + 74541.
Almost surely, 265430300 is an apocalyptic number.
65430300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107423680).
65430300 is an abundant number, since it is smaller than the sum of its proper divisors (149417060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65430300 is a wasteful number, since it uses less digits than its factorization.
65430300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 932 (or 925 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 65430300 is about 8088.8998015799. The cubic root of 65430300 is about 402.9578653353.
Adding to 65430300 its reverse (303456), we get a palindrome (65733756).
The spelling of 65430300 in words is "sixty-five million, four hundred thirty thousand, three hundred".
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