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550782245 = 5138473573
BaseRepresentation
bin100000110101000…
…100010100100101
31102101101122012102
4200311010110211
52112000012440
6130353101445
716435400066
oct4065042445
91371348172
10550782245
112629a1942
12134557885
138a155570
145321456d
1533549b15
hex20d44525

550782245 has 8 divisors (see below), whose sum is σ = 711780216. Its totient is φ = 406731456.

The previous prime is 550782217. The next prime is 550782251. The reversal of 550782245 is 542287055.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 549339844 = 1201^2 + 23438^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 550782245 - 210 = 550781221 is a prime.

It is a super-2 number, since 2×5507822452 = 606722162814480050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550782199 and 550782208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236722 + ... + 4236851.

It is an arithmetic number, because the mean of its divisors is an integer number (88972527).

Almost surely, 2550782245 is an apocalyptic number.

It is an amenable number.

550782245 is a deficient number, since it is larger than the sum of its proper divisors (160997971).

550782245 is a wasteful number, since it uses less digits than its factorization.

550782245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473591.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 550782245 is about 23468.7503928096. The cubic root of 550782245 is about 819.7095168791.

The spelling of 550782245 in words is "five hundred fifty million, seven hundred eighty-two thousand, two hundred forty-five".

Divisors: 1 5 13 65 8473573 42367865 110156449 550782245