Search a number
-
+
144850393 = 1059713669
BaseRepresentation
bin10001010001000…
…11110111011001
3101002120011101101
420220203313121
5244040203033
622212351401
73406131232
oct1050436731
9332504341
10144850393
1174845276
1240615561
1324017cbc
1415348089
15cab397d
hex8a23dd9

144850393 has 4 divisors (see below), whose sum is σ = 144874660. Its totient is φ = 144826128.

The previous prime is 144850379. The next prime is 144850403. The reversal of 144850393 is 393058441.

144850393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48260809 + 96589584 = 6947^2 + 9828^2 .

It is a cyclic number.

It is not a de Polignac number, because 144850393 - 25 = 144850361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144850493) 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, 3763 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (36218665).

Almost surely, 2144850393 is an apocalyptic number.

It is an amenable number.

144850393 is a deficient number, since it is larger than the sum of its proper divisors (24267).

144850393 is a wasteful number, since it uses less digits than its factorization.

144850393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24266.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 144850393 is about 12035.3808830465. The cubic root of 144850393 is about 525.1780415042.

The spelling of 144850393 in words is "one hundred forty-four million, eight hundred fifty thousand, three hundred ninety-three".

Divisors: 1 10597 13669 144850393