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550640733 = 3263697897
BaseRepresentation
bin100000110100100…
…001110001011101
31102101010110002020
4200310201301131
52111431000413
6130350050353
716434240366
oct4064416135
91371113066
10550640733
11262905595
121344a99b9
138a106026
14531b8b6d
153351cc23
hex20d21c5d

550640733 has 8 divisors (see below), whose sum is σ = 736980288. Its totient is φ = 365697504.

The previous prime is 550640711. The next prime is 550640737. The reversal of 550640733 is 337046055.

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

It is not a de Polignac number, because 550640733 - 26 = 550640669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550640694 and 550640703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550640737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348160 + ... + 349737.

It is an arithmetic number, because the mean of its divisors is an integer number (92122536).

Almost surely, 2550640733 is an apocalyptic number.

It is an amenable number.

550640733 is a deficient number, since it is larger than the sum of its proper divisors (186339555).

550640733 is a wasteful number, since it uses less digits than its factorization.

550640733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698163.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 550640733 is about 23465.7352963848. The cubic root of 550640733 is about 819.6393084498.

Adding to 550640733 its reverse (337046055), we get a palindrome (887686788).

The spelling of 550640733 in words is "five hundred fifty million, six hundred forty thousand, seven hundred thirty-three".

Divisors: 1 3 263 789 697897 2093691 183546911 550640733