Search a number
-
+
144427038 = 23711872897
BaseRepresentation
bin10001001101111…
…00100000011110
3101001202122122120
420212330200132
5243433131123
622155323410
73402416040
oct1046744036
9331678576
10144427038
1174586198
1240450566
1323bca3b2
1415277a90
15ca2d2e3
hex89bc81e

144427038 has 32 divisors (see below), whose sum is σ = 330511104. Its totient is φ = 41215872.

The previous prime is 144427033. The next prime is 144427057. The reversal of 144427038 is 830724441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144427033) 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 15 ways as a sum of consecutive naturals, for example, 48406 + ... + 51302.

It is an arithmetic number, because the mean of its divisors is an integer number (10328472).

Almost surely, 2144427038 is an apocalyptic number.

144427038 is an abundant number, since it is smaller than the sum of its proper divisors (186084066).

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

144427038 is a wasteful number, since it uses less digits than its factorization.

144427038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 144427038 is about 12017.7800778680. The cubic root of 144427038 is about 524.6658953608.

It can be divided in two parts, 1444 and 27038, that added together give a palindrome (28482).

The spelling of 144427038 in words is "one hundred forty-four million, four hundred twenty-seven thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 1187 2374 2897 3561 5794 7122 8309 8691 16618 17382 20279 24927 40558 49854 60837 121674 3438739 6877478 10316217 20632434 24071173 48142346 72213519 144427038