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144224022 = 23171974419
BaseRepresentation
bin10001001100010…
…10111100010110
3101001101100011110
420212022330112
5243410132042
622151115450
73400612125
oct1046127426
9331340143
10144224022
1174457708
1240372b86
1323b58b77
1415223abc
15c9dd09c
hex898af16

144224022 has 32 divisors (see below), whose sum is σ = 321494400. Its totient is φ = 42864768.

The previous prime is 144224011. The next prime is 144224023. The reversal of 144224022 is 220422441.

It is a self number, because there is not a number n which added to its sum of digits gives 144224022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144224023) 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, 35272 + ... + 39147.

It is an arithmetic number, because the mean of its divisors is an integer number (10046700).

Almost surely, 2144224022 is an apocalyptic number.

144224022 is an abundant number, since it is smaller than the sum of its proper divisors (177270378).

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

144224022 is a wasteful number, since it uses less digits than its factorization.

144224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74460.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 144224022 is about 12009.3306224785. The cubic root of 144224022 is about 524.4199452943.

Adding to 144224022 its reverse (220422441), we get a palindrome (364646463).

The spelling of 144224022 in words is "one hundred forty-four million, two hundred twenty-four thousand, twenty-two".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 74419 148838 223257 446514 1265123 1413961 2530246 2827922 3795369 4241883 7590738 8483766 24037337 48074674 72112011 144224022