Search a number
-
+
20179064 = 2319132757
BaseRepresentation
bin100110011111…
…0100001111000
31101222012110202
41030332201320
520131212224
62000301332
7333343043
oct114764170
941865422
1020179064
1110432914
126911848
134246a99
142973c5a
151b88eae
hex133e878

20179064 has 16 divisors (see below), whose sum is σ = 39827400. Its totient is φ = 9558432.

The previous prime is 20179037. The next prime is 20179067. The reversal of 20179064 is 46097102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20179067) 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, 66227 + ... + 66530.

Almost surely, 220179064 is an apocalyptic number.

It is an amenable number.

20179064 is a deficient number, since it is larger than the sum of its proper divisors (19648336).

20179064 is a wasteful number, since it uses less digits than its factorization.

20179064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132782 (or 132778 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20179064 is about 4492.1113076147. Note that the first 3 decimals coincide. The cubic root of 20179064 is about 272.2494467720.

The spelling of 20179064 in words is "twenty million, one hundred seventy-nine thousand, sixty-four".

Divisors: 1 2 4 8 19 38 76 152 132757 265514 531028 1062056 2522383 5044766 10089532 20179064