Search a number
-
+
144403113 = 348134371
BaseRepresentation
bin10001001101101…
…10101010101001
3101001201102211110
420212312222221
5243431344423
622155020533
73402256221
oct1046665251
9331642743
10144403113
117456a218
124043a749
1323bbc53a
141526d081
15ca26193
hex89b6aa9

144403113 has 4 divisors (see below), whose sum is σ = 192537488. Its totient is φ = 96268740.

The previous prime is 144403087. The next prime is 144403121. The reversal of 144403113 is 311304441.

144403113 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 Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144403113 - 28 = 144402857 is a prime.

It is a super-3 number, since 3×1444031133 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144403113.

It is not an unprimeable number, because it can be changed into a prime (144403183) 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, 24067183 + ... + 24067188.

It is an arithmetic number, because the mean of its divisors is an integer number (48134372).

Almost surely, 2144403113 is an apocalyptic number.

It is an amenable number.

144403113 is a deficient number, since it is larger than the sum of its proper divisors (48134375).

144403113 is an equidigital number, since it uses as much as digits as its factorization.

144403113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48134374.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144403113 is about 12016.7846364991. The cubic root of 144403113 is about 524.6369226585.

Adding to 144403113 its reverse (311304441), we get a palindrome (455707554).

The spelling of 144403113 in words is "one hundred forty-four million, four hundred three thousand, one hundred thirteen".

Divisors: 1 3 48134371 144403113