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550790743 = 4011373543
BaseRepresentation
bin100000110101000…
…110011001010111
31102101102001212011
4200311012121113
52112000300433
6130353205051
716435433626
oct4065063127
91371361764
10550790743
112629a8268
12134560787
138a1593a9
14532176bd
153354c3cd
hex20d46657

550790743 has 4 divisors (see below), whose sum is σ = 552164688. Its totient is φ = 549416800.

The previous prime is 550790717. The next prime is 550790759. The reversal of 550790743 is 347097055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347097055 = 569419411.

It is a cyclic number.

It is not a de Polignac number, because 550790743 - 225 = 517236311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550790696 and 550790705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550793743) 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, 686371 + ... + 687172.

It is an arithmetic number, because the mean of its divisors is an integer number (138041172).

Almost surely, 2550790743 is an apocalyptic number.

550790743 is a deficient number, since it is larger than the sum of its proper divisors (1373945).

550790743 is a wasteful number, since it uses less digits than its factorization.

550790743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373944.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 550790743 is about 23468.9314413759. The cubic root of 550790743 is about 819.7137326140.

The spelling of 550790743 in words is "five hundred fifty million, seven hundred ninety thousand, seven hundred forty-three".

Divisors: 1 401 1373543 550790743