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144403004 = 22163221477
BaseRepresentation
bin10001001101101…
…10101000111100
3101001201102200102
420212312220330
5243431344004
622155020232
73402256004
oct1046665074
9331642612
10144403004
117456a129
124043a678
1323bbc485
141526d004
15ca2611e
hex89b6a3c

144403004 has 12 divisors (see below), whose sum is σ = 254256744. Its totient is φ = 71758224.

The previous prime is 144403001. The next prime is 144403019. The reversal of 144403004 is 400304441.

144403004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1444030043 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144403001) 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, 110087 + ... + 111390.

It is an arithmetic number, because the mean of its divisors is an integer number (21188062).

Almost surely, 2144403004 is an apocalyptic number.

It is an amenable number.

144403004 is a deficient number, since it is larger than the sum of its proper divisors (109853740).

144403004 is a wasteful number, since it uses less digits than its factorization.

144403004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221644 (or 221642 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144403004 is about 12016.7801011752. The cubic root of 144403004 is about 524.6367906543.

Adding to 144403004 its reverse (400304441), we get a palindrome (544707445).

The spelling of 144403004 in words is "one hundred forty-four million, four hundred three thousand, four".

Divisors: 1 2 4 163 326 652 221477 442954 885908 36100751 72201502 144403004