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144234413 = 314652723
BaseRepresentation
bin10001001100011…
…01011110101101
3101001101212102022
420212031132231
5243411000123
622151235525
73400654331
oct1046153655
9331355368
10144234413
11744644a4
1240378ba5
1323b6080b
14152277c1
15c9e11c8
hex898d7ad

144234413 has 4 divisors (see below), whose sum is σ = 148887168. Its totient is φ = 139581660.

The previous prime is 144234401. The next prime is 144234437. The reversal of 144234413 is 314432441.

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.

It is a cyclic number.

It is not a de Polignac number, because 144234413 - 24 = 144234397 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 (144234463) 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, 2326331 + ... + 2326392.

It is an arithmetic number, because the mean of its divisors is an integer number (37221792).

Almost surely, 2144234413 is an apocalyptic number.

It is an amenable number.

144234413 is a deficient number, since it is larger than the sum of its proper divisors (4652755).

144234413 is an equidigital number, since it uses as much as digits as its factorization.

144234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652754.

The product of its digits is 4608, while the sum is 26.

The square root of 144234413 is about 12009.7632366338. The cubic root of 144234413 is about 524.4325393978.

Adding to 144234413 its reverse (314432441), we get a palindrome (458666854).

The spelling of 144234413 in words is "one hundred forty-four million, two hundred thirty-four thousand, four hundred thirteen".

Divisors: 1 31 4652723 144234413