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144520550 = 2522890411
BaseRepresentation
bin10001001110100…
…11010101100110
3101001221101220222
420213103111212
5243444124200
622201324342
73403255466
oct1047232546
9331841828
10144520550
117463a479
12404966b2
1323c30b25
141529dba6
15ca4ad85
hex89d3566

144520550 has 12 divisors (see below), whose sum is σ = 268808316. Its totient is φ = 57808200.

The previous prime is 144520547. The next prime is 144520573. The reversal of 144520550 is 55025441.

144520550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1445156 + ... + 1445255.

It is an arithmetic number, because the mean of its divisors is an integer number (22400693).

Almost surely, 2144520550 is an apocalyptic number.

144520550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144520550 is a deficient number, since it is larger than the sum of its proper divisors (124287766).

144520550 is a wasteful number, since it uses less digits than its factorization.

144520550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890423 (or 2890418 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 144520550 is about 12021.6700170983. The cubic root of 144520550 is about 524.7791058623.

Adding to 144520550 its reverse (55025441), we get a palindrome (199545991).

The spelling of 144520550 in words is "one hundred forty-four million, five hundred twenty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 2890411 5780822 14452055 28904110 72260275 144520550