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144414719 = 293492883
BaseRepresentation
bin10001001101110…
…01011111111111
3101001202000202022
420212321133333
5243432232334
622155150355
73402335111
oct1046713777
9331660668
10144414719
1174577a09
12404453bb
1323bc48c7
14152733b1
15ca2982e
hex89b97ff

144414719 has 4 divisors (see below), whose sum is σ = 144907896. Its totient is φ = 143921544.

The previous prime is 144414703. The next prime is 144414731. The reversal of 144414719 is 917414441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144414719 - 24 = 144414703 is a prime.

It is a super-2 number, since 2×1444147192 = 41711222127697922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144414799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246149 + ... + 246734.

It is an arithmetic number, because the mean of its divisors is an integer number (36226974).

Almost surely, 2144414719 is an apocalyptic number.

144414719 is a deficient number, since it is larger than the sum of its proper divisors (493177).

144414719 is an equidigital number, since it uses as much as digits as its factorization.

144414719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493176.

The product of its digits is 16128, while the sum is 35.

The square root of 144414719 is about 12017.2675346769. The cubic root of 144414719 is about 524.6509776948.

The spelling of 144414719 in words is "one hundred forty-four million, four hundred fourteen thousand, seven hundred nineteen".

Divisors: 1 293 492883 144414719