Search a number
-
+
144833320 = 23541471879
BaseRepresentation
bin10001010000111…
…11101100101000
3101002112021222001
420220133230220
5244034131240
622212140344
73406030402
oct1050375450
9332467861
10144833320
1174833465
12406076b4
13240102b8
1415341b72
15caad89a
hex8a1fb28

144833320 has 64 divisors (see below), whose sum is σ = 341107200. Its totient is φ = 55288320.

The previous prime is 144833291. The next prime is 144833321. The reversal of 144833320 is 23338441.

144833320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144833321) 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, 76141 + ... + 78019.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2144833320 is an apocalyptic number.

144833320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144833320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170553600).

144833320 is an abundant number, since it is smaller than the sum of its proper divisors (196273880).

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

144833320 is a wasteful number, since it uses less digits than its factorization.

144833320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 144833320 is about 12034.6715784021. The cubic root of 144833320 is about 525.1574070716.

The spelling of 144833320 in words is "one hundred forty-four million, eight hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 47 82 94 164 188 205 235 328 376 410 470 820 940 1640 1879 1880 1927 3758 3854 7516 7708 9395 9635 15032 15416 18790 19270 37580 38540 75160 77039 77080 88313 154078 176626 308156 353252 385195 441565 616312 706504 770390 883130 1540780 1766260 3081560 3532520 3620833 7241666 14483332 18104165 28966664 36208330 72416660 144833320