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550645071 = 3281653197
BaseRepresentation
bin100000110100100…
…010110101001111
31102101010200000220
4200310202311033
52111431120241
6130350122423
716434256134
oct4064426517
91371120026
10550645071
11262908879
121344b0413
138a107cb2
14531ba58b
153351e166
hex20d22d4f

550645071 has 8 divisors (see below), whose sum is σ = 736807344. Its totient is φ = 365789760.

The previous prime is 550645049. The next prime is 550645097. The reversal of 550645071 is 170546055.

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

It is not a de Polignac number, because 550645071 - 29 = 550644559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550645021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325756 + ... + 327441.

It is an arithmetic number, because the mean of its divisors is an integer number (92100918).

Almost surely, 2550645071 is an apocalyptic number.

550645071 is a deficient number, since it is larger than the sum of its proper divisors (186162273).

550645071 is a wasteful number, since it uses less digits than its factorization.

550645071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653481.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 550645071 is about 23465.8277288486. The cubic root of 550645071 is about 819.6414608429.

The spelling of 550645071 in words is "five hundred fifty million, six hundred forty-five thousand, seventy-one".

Divisors: 1 3 281 843 653197 1959591 183548357 550645071