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144947713 = 1929263063
BaseRepresentation
bin10001010001110…
…11101000000001
3101002202002212211
420220323220001
5244101311323
622214422121
73410015041
oct1050735001
9332662784
10144947713
11749013a9
1240661941
13240503a1
1415371721
15cad270d
hex8a3ba01

144947713 has 8 divisors (see below), whose sum is σ = 157838400. Its totient is φ = 132583248.

The previous prime is 144947689. The next prime is 144947717. The reversal of 144947713 is 317749441.

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 144947713 - 25 = 144947681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144947717) by changing a digit.

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, 130981 + ... + 132082.

It is an arithmetic number, because the mean of its divisors is an integer number (19729800).

Almost surely, 2144947713 is an apocalyptic number.

It is an amenable number.

144947713 is a deficient number, since it is larger than the sum of its proper divisors (12890687).

144947713 is a wasteful number, since it uses less digits than its factorization.

144947713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263111.

The product of its digits is 84672, while the sum is 40.

The square root of 144947713 is about 12039.4232835298. The cubic root of 144947713 is about 525.2956315311.

The spelling of 144947713 in words is "one hundred forty-four million, nine hundred forty-seven thousand, seven hundred thirteen".

Divisors: 1 19 29 551 263063 4998197 7628827 144947713