Base | Representation |
---|---|
bin | 11111001000110001100001 |
3 | 120100200201011 |
4 | 133020301201 |
5 | 4042144101 |
6 | 450540521 |
7 | 126244042 |
oct | 37106141 |
9 | 16320634 |
10 | 8162401 |
11 | 4675595 |
12 | 2897741 |
13 | 18ca330 |
14 | 11268c9 |
15 | ab3751 |
hex | 7c8c61 |
8162401 has 8 divisors (see below), whose sum is σ = 9172800. Its totient is φ = 7206672.
The previous prime is 8162353. The next prime is 8162411. The reversal of 8162401 is 1042618.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8162401 - 29 = 8161889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8162411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13351 + ... + 13948.
It is an arithmetic number, because the mean of its divisors is an integer number (1146600).
Almost surely, 28162401 is an apocalyptic number.
It is an amenable number.
8162401 is a deficient number, since it is larger than the sum of its proper divisors (1010399).
8162401 is a wasteful number, since it uses less digits than its factorization.
8162401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27335.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 8162401 is about 2856.9915995676. The cubic root of 8162401 is about 201.3442858999.
It can be divided in two parts, 8 and 162401, that added together give a square (162409 = 4032).
The spelling of 8162401 in words is "eight million, one hundred sixty-two thousand, four hundred one".
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