Search a number
-
+
144038684 = 22137326227
BaseRepresentation
bin10001001010111…
…01101100011100
3101001000220221002
420211131230130
5243333214214
622143125432
73366210566
oct1045355434
9331026832
10144038684
1174340439
12402a3878
1323ac26ba
14151b6336
15c9a31de
hex895db1c

144038684 has 12 divisors (see below), whose sum is σ = 252260904. Its totient is φ = 71964144.

The previous prime is 144038641. The next prime is 144038689. The reversal of 144038684 is 486830441.

144038684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144038689) 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, 7622 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (21021742).

Almost surely, 2144038684 is an apocalyptic number.

It is an amenable number.

144038684 is a deficient number, since it is larger than the sum of its proper divisors (108222220).

144038684 is a wasteful number, since it uses less digits than its factorization.

144038684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27604 (or 27602 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 144038684 is about 12001.6117250976. The cubic root of 144038684 is about 524.1952101766.

The spelling of 144038684 in words is "one hundred forty-four million, thirty-eight thousand, six hundred eighty-four".

Divisors: 1 2 4 1373 2746 5492 26227 52454 104908 36009671 72019342 144038684