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144330620 = 22571030933
BaseRepresentation
bin10001001101001…
…00111101111100
3101001120202101112
420212210331330
5243422034440
622153301152
73401534660
oct1046447574
9331522345
10144330620
117451a805
12404047b8
1323b95545
14152508a0
15ca0e965
hex89a4f7c

144330620 has 24 divisors (see below), whose sum is σ = 346393824. Its totient is φ = 49484736.

The previous prime is 144330617. The next prime is 144330643. The reversal of 144330620 is 26033441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515327 + ... + 515606.

It is an arithmetic number, because the mean of its divisors is an integer number (14433076).

Almost surely, 2144330620 is an apocalyptic number.

144330620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144330620 is an abundant number, since it is smaller than the sum of its proper divisors (202063204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144330620 is a wasteful number, since it uses less digits than its factorization.

144330620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030949 (or 1030947 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 144330620 is about 12013.7679351651. The cubic root of 144330620 is about 524.5491155243.

The spelling of 144330620 in words is "one hundred forty-four million, three hundred thirty thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1030933 2061866 4123732 5154665 7216531 10309330 14433062 20618660 28866124 36082655 72165310 144330620