Search a number
-
+
2064439 = 13158803
BaseRepresentation
bin111111000000000110111
310212212212201
413320000313
51012030224
6112125331
723355526
oct7700067
93785781
102064439
111190053
12836847
13573880
143ba4bd
152aba44
hex1f8037

2064439 has 4 divisors (see below), whose sum is σ = 2223256. Its totient is φ = 1905624.

The previous prime is 2064437. The next prime is 2064443. The reversal of 2064439 is 9344602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9344602 = 24672301.

It is a cyclic number.

It is not a de Polignac number, because 2064439 - 21 = 2064437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064431) 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 3 ways as a sum of consecutive naturals, for example, 79389 + ... + 79414.

It is an arithmetic number, because the mean of its divisors is an integer number (555814).

22064439 is an apocalyptic number.

2064439 is a deficient number, since it is larger than the sum of its proper divisors (158817).

2064439 is a wasteful number, since it uses less digits than its factorization.

2064439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158816.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2064439 is about 1436.8155761962. The cubic root of 2064439 is about 127.3309614304.

The spelling of 2064439 in words is "two million, sixty-four thousand, four hundred thirty-nine".

Divisors: 1 13 158803 2064439