Base | Representation |
---|---|
bin | 11110100101100111100001 |
3 | 120002101011211 |
4 | 132211213201 |
5 | 4023042101 |
6 | 443510121 |
7 | 125104156 |
oct | 36454741 |
9 | 16071154 |
10 | 8018401 |
11 | 4587386 |
12 | 2828341 |
13 | 1879921 |
14 | 10ca22d |
15 | a85c51 |
hex | 7a59e1 |
8018401 has 4 divisors (see below), whose sum is σ = 8025904. Its totient is φ = 8010900.
The previous prime is 8018383. The next prime is 8018419. The reversal of 8018401 is 1048108.
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, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (8018383) and next prime (8018419).
It is a cyclic number.
It is not a de Polignac number, because 8018401 - 25 = 8018369 is a prime.
It is a Duffinian number.
8018401 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8018501) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1815 + ... + 4396.
It is an arithmetic number, because the mean of its divisors is an integer number (2006476).
Almost surely, 28018401 is an apocalyptic number.
It is an amenable number.
8018401 is a deficient number, since it is larger than the sum of its proper divisors (7503).
8018401 is a wasteful number, since it uses less digits than its factorization.
8018401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7502.
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 8018401 is about 2831.6781243637. The cubic root of 8018401 is about 200.1532242483.
It can be divided in two parts, 80 and 18401, that added together give a palindrome (18481).
The spelling of 8018401 in words is "eight million, eighteen thousand, four hundred one".
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