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144343438 = 23713914033
BaseRepresentation
bin10001001101010…
…00000110001110
3101001121101222021
420212220012032
5243422442223
622153440354
73401620231
oct1046500616
9331541867
10144343438
11745293a8
12404100ba
1323b9b325
1415255418
15ca1365d
hex89a818e

144343438 has 16 divisors (see below), whose sum is σ = 223982640. Its totient is φ = 69710976.

The previous prime is 144343429. The next prime is 144343453. The reversal of 144343438 is 834343441.

It is a congruent number.

It is an unprimeable number.

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, 3270 + ... + 17302.

It is an arithmetic number, because the mean of its divisors is an integer number (13998915).

Almost surely, 2144343438 is an apocalyptic number.

144343438 is a deficient number, since it is larger than the sum of its proper divisors (79639202).

144343438 is a wasteful number, since it uses less digits than its factorization.

144343438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211.

The product of its digits is 55296, while the sum is 34.

The square root of 144343438 is about 12014.3013945880. The cubic root of 144343438 is about 524.5646434641.

Adding to 144343438 its reverse (834343441), we get a palindrome (978686879).

The spelling of 144343438 in words is "one hundred forty-four million, three hundred forty-three thousand, four hundred thirty-eight".

Divisors: 1 2 37 74 139 278 5143 10286 14033 28066 519221 1038442 1950587 3901174 72171719 144343438