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8552506745 = 51710501349
BaseRepresentation
bin1111111011100010…
…01110010101111001
3211002001001100200002
413331301032111321
5120003420203440
63532353522345
7421640051666
oct77561162571
924061040602
108552506745
1136997379a2
1217a82733b5
13a63b505a3
145b1c0aa6d
15350c86115
hex1fdc4e579

8552506745 has 4 divisors (see below), whose sum is σ = 10263008100. Its totient is φ = 6842005392.

The previous prime is 8552506717. The next prime is 8552506751. The reversal of 8552506745 is 5476052558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5476052558 = 22738026279.

It can be written as a sum of positive squares in 2 ways, for example, as 901680784 + 7650825961 = 30028^2 + 87469^2 .

It is a cyclic number.

It is not a de Polignac number, because 8552506745 - 218 = 8552244601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8552506745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855250670 + ... + 855250679.

It is an arithmetic number, because the mean of its divisors is an integer number (2565752025).

Almost surely, 28552506745 is an apocalyptic number.

It is an amenable number.

8552506745 is a deficient number, since it is larger than the sum of its proper divisors (1710501355).

8552506745 is a wasteful number, since it uses less digits than its factorization.

8552506745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710501354.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The square root of 8552506745 is about 92479.7639756936. The cubic root of 8552506745 is about 2045.0211713424.

The spelling of 8552506745 in words is "eight billion, five hundred fifty-two million, five hundred six thousand, seven hundred forty-five".

Divisors: 1 5 1710501349 8552506745