Search a number
-
+
2162001 = 3761947
BaseRepresentation
bin1000001111110101010001
311001211201010
420033311101
51023141001
6114201133
724243132
oct10176521
94054633
102162001
111247386
128831a9
135a90ba
14403c89
152ca8d6
hex20fd51

2162001 has 8 divisors (see below), whose sum is σ = 2889504. Its totient is φ = 1437920.

The previous prime is 2161987. The next prime is 2162003. The reversal of 2162001 is 1002612.

2162001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2162001 - 214 = 2145617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2162003) 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, 1810 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (361188).

22162001 is an apocalyptic number.

It is an amenable number.

2162001 is a deficient number, since it is larger than the sum of its proper divisors (727503).

2162001 is an equidigital number, since it uses as much as digits as its factorization.

2162001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2162001 is about 1470.3744421065. The cubic root of 2162001 is about 129.3059859692.

Adding to 2162001 its reverse (1002612), we get a palindrome (3164613).

The spelling of 2162001 in words is "two million, one hundred sixty-two thousand, one".

Divisors: 1 3 761 947 2283 2841 720667 2162001