Search a number
-
+
20161614 = 2311305479
BaseRepresentation
bin100110011101…
…0010001001110
31101221022112110
41030322101032
520130132424
62000044450
7333241134
oct114722116
941838473
1020161614
11104207a0
126903726
13423bb65
14296b754
151b83c29
hex133a44e

20161614 has 16 divisors (see below), whose sum is σ = 43989120. Its totient is φ = 6109560.

The previous prime is 20161607. The next prime is 20161619. The reversal of 20161614 is 41616102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161619) 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, 152674 + ... + 152805.

It is an arithmetic number, because the mean of its divisors is an integer number (2749320).

Almost surely, 220161614 is an apocalyptic number.

20161614 is an abundant number, since it is smaller than the sum of its proper divisors (23827506).

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

20161614 is a wasteful number, since it uses less digits than its factorization.

20161614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305495.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 20161614 is about 4490.1685937167. The cubic root of 20161614 is about 272.1709475426.

Adding to 20161614 its reverse (41616102), we get a palindrome (61777716).

The spelling of 20161614 in words is "twenty million, one hundred sixty-one thousand, six hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 305479 610958 916437 1832874 3360269 6720538 10080807 20161614