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650055444 = 22354171287
BaseRepresentation
bin100110101111110…
…000111100010100
31200022012020102120
4212233300330110
52312403233234
6144300535540
722052244243
oct4657607424
91608166376
10650055444
11303a37305
121618515b0
13a48a32bc
146249695a
153c109049
hex26bf0f14

650055444 has 12 divisors (see below), whose sum is σ = 1516796064. Its totient is φ = 216685144.

The previous prime is 650055443. The next prime is 650055457. The reversal of 650055444 is 444550056.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650055443) 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, 27085632 + ... + 27085655.

It is an arithmetic number, because the mean of its divisors is an integer number (126399672).

Almost surely, 2650055444 is an apocalyptic number.

It is an amenable number.

650055444 is an abundant number, since it is smaller than the sum of its proper divisors (866740620).

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

650055444 is a wasteful number, since it uses less digits than its factorization.

650055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54171294 (or 54171292 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 650055444 is about 25496.1848910773. The cubic root of 650055444 is about 866.2637342616.

The spelling of 650055444 in words is "six hundred fifty million, fifty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 54171287 108342574 162513861 216685148 325027722 650055444