Search a number
-
+
20834716 = 2271939163
BaseRepresentation
bin100111101111…
…0100110011100
31110012111212011
41033132212130
520313202331
62022321004
7342043420
oct117364634
943174764
1020834716
1110840481
126b89164
134416346
142aa4b80
151c683b1
hex13de99c

20834716 has 24 divisors (see below), whose sum is σ = 43863680. Its totient is φ = 8458992.

The previous prime is 20834689. The next prime is 20834717. The reversal of 20834716 is 61743802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20834717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19050 + ... + 20113.

Almost surely, 220834716 is an apocalyptic number.

It is an amenable number.

20834716 is an abundant number, since it is smaller than the sum of its proper divisors (23028964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20834716 is a wasteful number, since it uses less digits than its factorization.

20834716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39193 (or 39191 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20834716 is about 4564.5061069080. The cubic root of 20834716 is about 275.1666912262.

The spelling of 20834716 in words is "twenty million, eight hundred thirty-four thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 39163 78326 156652 274141 548282 744097 1096564 1488194 2976388 5208679 10417358 20834716