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144221300 = 22523146523
BaseRepresentation
bin10001001100010…
…10010001110100
3101001101012102122
420212022101310
5243410040200
622151055112
73400601156
oct1046122164
9331335378
10144221300
1174455663
1240371498
1323b57862
1415222ad6
15c9dc385
hex898a474

144221300 has 36 divisors (see below), whose sum is σ = 323062656. Its totient is φ = 55826400.

The previous prime is 144221291. The next prime is 144221303. The reversal of 144221300 is 3122441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20162 + ... + 26361.

Almost surely, 2144221300 is an apocalyptic number.

144221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144221300 is an abundant number, since it is smaller than the sum of its proper divisors (178841356).

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

144221300 is a wasteful number, since it uses less digits than its factorization.

144221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46568 (or 46561 counting only the distinct ones).

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

The square root of 144221300 is about 12009.2172933959. The cubic root of 144221300 is about 524.4166460749.

Adding to 144221300 its reverse (3122441), we get a palindrome (147343741).

The spelling of 144221300 in words is "one hundred forty-four million, two hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 46523 93046 186092 232615 465230 930460 1163075 1442213 2326150 2884426 4652300 5768852 7211065 14422130 28844260 36055325 72110650 144221300