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144386219 = 1783102329
BaseRepresentation
bin10001001101100…
…10100010101011
3101001200120122202
420212302202223
5243430324334
622154410415
73402156035
oct1046624253
9331616582
10144386219
117455855a
1240430a0b
1323bb4943
1415266c55
15ca2117e
hex89b28ab

144386219 has 8 divisors (see below), whose sum is σ = 154722960. Its totient is φ = 134254336.

The previous prime is 144386201. The next prime is 144386261. The reversal of 144386219 is 912683441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144386219 - 220 = 143337643 is a prime.

It is a super-2 number, since 2×1443862192 = 41694760474231922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144386269) 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 7 ways as a sum of consecutive naturals, for example, 49754 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (19340370).

Almost surely, 2144386219 is an apocalyptic number.

144386219 is a deficient number, since it is larger than the sum of its proper divisors (10336741).

144386219 is a wasteful number, since it uses less digits than its factorization.

144386219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102429.

The product of its digits is 41472, while the sum is 38.

The square root of 144386219 is about 12016.0816824787. The cubic root of 144386219 is about 524.6164624305.

The spelling of 144386219 in words is "one hundred forty-four million, three hundred eighty-six thousand, two hundred nineteen".

Divisors: 1 17 83 1411 102329 1739593 8493307 144386219