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144065793 = 348021931
BaseRepresentation
bin10001001011001…
…00010100000001
3101001002022010010
420211210110001
5243340101133
622143455133
73366352614
oct1045442401
9331068103
10144065793
1174359843
12402b74a9
1323b01b41
14151c217b
15c9ab263
hex8964501

144065793 has 4 divisors (see below), whose sum is σ = 192087728. Its totient is φ = 96043860.

The previous prime is 144065737. The next prime is 144065797. The reversal of 144065793 is 397560441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 397560441 = 3132520147.

It is not a de Polignac number, because 144065793 - 210 = 144064769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144065797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24010963 + ... + 24010968.

It is an arithmetic number, because the mean of its divisors is an integer number (48021932).

Almost surely, 2144065793 is an apocalyptic number.

It is an amenable number.

144065793 is a deficient number, since it is larger than the sum of its proper divisors (48021935).

144065793 is an equidigital number, since it uses as much as digits as its factorization.

144065793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48021934.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 144065793 is about 12002.7410619408. The cubic root of 144065793 is about 524.2280937422.

The spelling of 144065793 in words is "one hundred forty-four million, sixty-five thousand, seven hundred ninety-three".

Divisors: 1 3 48021931 144065793