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144419 = 1119691
BaseRepresentation
bin100011010000100011
321100002212
4203100203
514110134
63032335
71141022
oct432043
9240085
10144419
1199560
126b6ab
1350972
143a8b9
152cbce
hex23423

144419 has 8 divisors (see below), whose sum is σ = 166080. Its totient is φ = 124200.

The previous prime is 144413. The next prime is 144427. The reversal of 144419 is 914441.

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 144419 - 28 = 144163 is a prime.

It is a super-2 number, since 2×1444192 = 41713695122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144394 and 144403.

It is not an unprimeable number, because it can be changed into a prime (144413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (20760).

2144419 is an apocalyptic number.

144419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144419 is a deficient number, since it is larger than the sum of its proper divisors (21661).

144419 is a wasteful number, since it uses less digits than its factorization.

144419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 576, while the sum is 23.

The square root of 144419 is about 380.0249991777. The cubic root of 144419 is about 52.4656161859.

The spelling of 144419 in words is "one hundred forty-four thousand, four hundred nineteen".

Divisors: 1 11 19 209 691 7601 13129 144419