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144312112 = 2475921839
BaseRepresentation
bin10001001101000…
…00011100110000
3101001112211000001
420212200130300
5243420441422
622153035344
73401430010
oct1046403460
9331484001
10144312112
117450790a
12403b5b54
1323b89ca9
1415247c40
15ca09227
hex89a0730

144312112 has 40 divisors (see below), whose sum is σ = 324979200. Its totient is φ = 60796992.

The previous prime is 144312079. The next prime is 144312139. The reversal of 144312112 is 211213441.

It is a self number, because there is not a number n which added to its sum of digits gives 144312112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (8124480).

Almost surely, 2144312112 is an apocalyptic number.

It is an amenable number.

144312112 is an abundant number, since it is smaller than the sum of its proper divisors (180667088).

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

144312112 is a wasteful number, since it uses less digits than its factorization.

144312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21913 (or 21907 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 144312112 is about 12012.9976275699. The cubic root of 144312112 is about 524.5266930011.

Adding to 144312112 its reverse (211213441), we get a palindrome (355525553).

The spelling of 144312112 in words is "one hundred forty-four million, three hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 59 112 118 236 413 472 826 944 1652 3304 6608 21839 43678 87356 152873 174712 305746 349424 611492 1222984 1288501 2445968 2577002 5154004 9019507 10308008 18039014 20616016 36078028 72156056 144312112