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144944330 = 2527895197
BaseRepresentation
bin10001010001110…
…10110011001010
3101002201221020112
420220322303022
5244101204310
622214354322
73410002136
oct1050726312
9332657215
10144944330
11748a9903
124065b9a2
132404b99b
14153703c6
15cad1705
hex8a3acca

144944330 has 16 divisors (see below), whose sum is σ = 261043560. Its totient is φ = 57945792.

The previous prime is 144944323. The next prime is 144944339. The reversal of 144944330 is 33449441.

144944330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 120846049 + 24098281 = 10993^2 + 4909^2 .

It is not an unprimeable number, because it can be changed into a prime (144944339) 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 7 ways as a sum of consecutive naturals, for example, 25292 + ... + 30488.

Almost surely, 2144944330 is an apocalyptic number.

144944330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144944330 is a deficient number, since it is larger than the sum of its proper divisors (116099230).

144944330 is a wasteful number, since it uses less digits than its factorization.

144944330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 144944330 is about 12039.2827859470. The cubic root of 144944330 is about 525.2915447955.

The spelling of 144944330 in words is "one hundred forty-four million, nine hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 2789 5197 5578 10394 13945 25985 27890 51970 14494433 28988866 72472165 144944330