Base | Representation |
---|---|
bin | 110011010101101… |
… | …110010101000001 |
3 | 2020000202020110212 |
4 | 303111232111001 |
5 | 3231000122201 |
6 | 221245203505 |
7 | 30226131230 |
oct | 6325562501 |
9 | 2200666425 |
10 | 861332801 |
11 | 40222209a |
12 | 200560595 |
13 | 1095a86a4 |
14 | 82572b17 |
15 | 5093eabb |
hex | 3356e541 |
861332801 has 4 divisors (see below), whose sum is σ = 984380352. Its totient is φ = 738285252.
The previous prime is 861332789. The next prime is 861332807. The reversal of 861332801 is 108233168.
It is a happy number.
861332801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-861332801 is a prime.
It is a fibodiv number, since the Fibonacci-like sequence with seeds 861 and 332801 contains 861332801 itself.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (861332807) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61523765 + ... + 61523778.
It is an arithmetic number, because the mean of its divisors is an integer number (246095088).
Almost surely, 2861332801 is an apocalyptic number.
It is an amenable number.
861332801 is a deficient number, since it is larger than the sum of its proper divisors (123047551).
861332801 is a wasteful number, since it uses less digits than its factorization.
861332801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123047550.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 861332801 is about 29348.4718682251. The cubic root of 861332801 is about 951.4595481406.
Adding to 861332801 its reverse (108233168), we get a palindrome (969565969).
It can be divided in two parts, 8613 and 32801, that added together give a palindrome (41414).
The spelling of 861332801 in words is "eight hundred sixty-one million, three hundred thirty-two thousand, eight hundred one".
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