Search a number
-
+
144303172 = 221311512411
BaseRepresentation
bin10001001100111…
…10010001000100
3101001112100201221
420212132101010
5243420200142
622152530124
73401361646
oct1046362104
9331470657
10144303172
1174501122
12403b0944
1323b85bc0
1415244896
15ca06767
hex899e444

144303172 has 24 divisors (see below), whose sum is σ = 272305152. Its totient is φ = 66516000.

The previous prime is 144303161. The next prime is 144303179. The reversal of 144303172 is 271303441.

It is a super-3 number, since 3×1443031723 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144303179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58647 + ... + 61057.

It is an arithmetic number, because the mean of its divisors is an integer number (11346048).

Almost surely, 2144303172 is an apocalyptic number.

It is an amenable number.

144303172 is a deficient number, since it is larger than the sum of its proper divisors (128001980).

144303172 is a wasteful number, since it uses less digits than its factorization.

144303172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3577 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 144303172 is about 12012.6255248384. The cubic root of 144303172 is about 524.5158614652.

The spelling of 144303172 in words is "one hundred forty-four million, three hundred three thousand, one hundred seventy-two".

Divisors: 1 2 4 13 26 52 1151 2302 2411 4604 4822 9644 14963 29926 31343 59852 62686 125372 2775061 5550122 11100244 36075793 72151586 144303172