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144120302 = 2312324521
BaseRepresentation
bin10001001011100…
…01100111101110
3101001012001212222
420211301213232
5243343322202
622144555342
73400000544
oct1045614756
9331161788
10144120302
1174396797
1240322b52
1323b208b1
14151d7d94
15c9bc4a2
hex89719ee

144120302 has 8 divisors (see below), whose sum is σ = 223154112. Its totient is φ = 69735600.

The previous prime is 144120299. The next prime is 144120307. The reversal of 144120302 is 203021441.

144120302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1441203022 = 41541322897142408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144120307) 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, 1162199 + ... + 1162322.

It is an arithmetic number, because the mean of its divisors is an integer number (27894264).

Almost surely, 2144120302 is an apocalyptic number.

144120302 is a deficient number, since it is larger than the sum of its proper divisors (79033810).

144120302 is a wasteful number, since it uses less digits than its factorization.

144120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324554.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144120302 is about 12005.0115368541. The cubic root of 144120302 is about 524.2942013759.

Adding to 144120302 its reverse (203021441), we get a palindrome (347141743).

The spelling of 144120302 in words is "one hundred forty-four million, one hundred twenty thousand, three hundred two".

Divisors: 1 2 31 62 2324521 4649042 72060151 144120302