Search a number
-
+
144303424 = 262339677
BaseRepresentation
bin10001001100111…
…10010101000000
3101001112101002021
420212132111000
5243420202144
622152531224
73401362456
oct1046362500
9331471067
10144303424
1174501331
12403b0b14
1323b86055
14152449d6
15ca06884
hex899e540

144303424 has 28 divisors (see below), whose sum is σ = 287610804. Its totient is φ = 71834624.

The previous prime is 144303421. The next prime is 144303431. The reversal of 144303424 is 424303441.

It can be written as a sum of positive squares in 2 ways, for example, as 62726400 + 81577024 = 7920^2 + 9032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144303421) 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 3 ways as a sum of consecutive naturals, for example, 10074 + ... + 19750.

Almost surely, 2144303424 is an apocalyptic number.

It is an amenable number.

144303424 is a deficient number, since it is larger than the sum of its proper divisors (143307380).

144303424 is an equidigital number, since it uses as much as digits as its factorization.

144303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922 (or 9912 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 144303424 is about 12012.6360137981. The cubic root of 144303424 is about 524.5161667898.

Adding to 144303424 its reverse (424303441), we get a palindrome (568606865).

The spelling of 144303424 in words is "one hundred forty-four million, three hundred three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 233 466 932 1864 3728 7456 9677 14912 19354 38708 77416 154832 309664 619328 2254741 4509482 9018964 18037928 36075856 72151712 144303424