Search a number
-
+
2164027 = 13811567
BaseRepresentation
bin1000010000010100111011
311001221111011
420100110323
51023222102
6114214351
724252055
oct10202473
94057434
102164027
111248958
128843b7
135a9cb8
144048d5
152cb2d7
hex21053b

2164027 has 4 divisors (see below), whose sum is σ = 2166976. Its totient is φ = 2161080.

The previous prime is 2164013. The next prime is 2164031. The reversal of 2164027 is 7204612.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2164027 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163989 and 2164007.

It is not an unprimeable number, because it can be changed into a prime (2164037) 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, 598 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (541744).

22164027 is an apocalyptic number.

2164027 is a deficient number, since it is larger than the sum of its proper divisors (2949).

2164027 is a wasteful number, since it uses less digits than its factorization.

2164027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2164027 is about 1471.0632209392. The cubic root of 2164027 is about 129.3463640170.

Adding to 2164027 its reverse (7204612), we get a palindrome (9368639).

The spelling of 2164027 in words is "two million, one hundred sixty-four thousand, twenty-seven".

Divisors: 1 1381 1567 2164027