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144034213 = 294966697
BaseRepresentation
bin10001001010111…
…00100110100101
3101001000200210111
420211130212211
5243333043323
622143053021
73366161551
oct1045344645
9331020714
10144034213
1174338044
12402a1171
1323ac065b
14151b4861
15c9a1c0d
hex895c9a5

144034213 has 4 divisors (see below), whose sum is σ = 149000940. Its totient is φ = 139067488.

The previous prime is 144034201. The next prime is 144034223. The reversal of 144034213 is 312430441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 115283169 + 28751044 = 10737^2 + 5362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144034213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144034223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483320 + ... + 2483377.

It is an arithmetic number, because the mean of its divisors is an integer number (37250235).

Almost surely, 2144034213 is an apocalyptic number.

It is an amenable number.

144034213 is a deficient number, since it is larger than the sum of its proper divisors (4966727).

144034213 is an equidigital number, since it uses as much as digits as its factorization.

144034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966726.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 144034213 is about 12001.4254570030. The cubic root of 144034213 is about 524.1897863997.

Adding to 144034213 its reverse (312430441), we get a palindrome (456464654).

It can be divided in two parts, 1440 and 34213, that added together give a palindrome (35653).

The spelling of 144034213 in words is "one hundred forty-four million, thirty-four thousand, two hundred thirteen".

Divisors: 1 29 4966697 144034213