Base | Representation |
---|---|
bin | 101111101101011… |
… | …010001011110000 |
3 | 2001210011012111020 |
4 | 233231122023300 |
5 | 3114402323010 |
6 | 211232015440 |
7 | 25556365362 |
oct | 5755321360 |
9 | 2053135436 |
10 | 800432880 |
11 | 380907085 |
12 | 1a4091580 |
13 | c9aa4c30 |
14 | 7843cd32 |
15 | 4a410470 |
hex | 2fb5a2f0 |
800432880 has 160 divisors (see below), whose sum is σ = 2691494400. Its totient is φ = 195609600.
The previous prime is 800432839. The next prime is 800432887. The reversal of 800432880 is 88234008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (800432887) 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 31 ways as a sum of consecutive naturals, for example, 470271 + ... + 471969.
It is an arithmetic number, because the mean of its divisors is an integer number (16821840).
Almost surely, 2800432880 is an apocalyptic number.
800432880 is a gapful number since it is divisible by the number (80) 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 800432880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345747200).
800432880 is an abundant number, since it is smaller than the sum of its proper divisors (1891061520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800432880 is a wasteful number, since it uses less digits than its factorization.
800432880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879 (or 1873 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 800432880 is about 28291.9225221617. The cubic root of 800432880 is about 928.4851741127.
Adding to 800432880 its reverse (88234008), we get a palindrome (888666888).
The spelling of 800432880 in words is "eight hundred million, four hundred thirty-two thousand, eight hundred eighty".
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