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144330052 = 2273494281
BaseRepresentation
bin10001001101001…
…00110101000100
3101001120201121111
420212210311010
5243422030202
622153254404
73401533216
oct1046446504
9331521544
10144330052
117451a339
1240404404
1323b951c9
14152505b6
15ca0e6d7
hex89a4d44

144330052 has 12 divisors (see below), whose sum is σ = 256038076. Its totient is φ = 71176320.

The previous prime is 144330049. The next prime is 144330097. The reversal of 144330052 is 250033441.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 72182016 = 8494^2 + 8496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246849 + ... + 247432.

Almost surely, 2144330052 is an apocalyptic number.

It is an amenable number.

144330052 is a deficient number, since it is larger than the sum of its proper divisors (111708024).

144330052 is a wasteful number, since it uses less digits than its factorization.

144330052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494358 (or 494356 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 144330052 is about 12013.7442955974. The cubic root of 144330052 is about 524.5484274184.

Adding to 144330052 its reverse (250033441), we get a palindrome (394363493).

The spelling of 144330052 in words is "one hundred forty-four million, three hundred thirty thousand, fifty-two".

Divisors: 1 2 4 73 146 292 494281 988562 1977124 36082513 72165026 144330052