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5208075890 = 25520807589
BaseRepresentation
bin1001101100110110…
…01110111001110010
3111102221220200000122
410312123032321302
541131231412030
62220443050242
7243026625503
oct46633167162
914387820018
105208075890
112232906556
121014210982
1364ccb2a14
14375986baa
152073588e5
hex1366cee72

5208075890 has 8 divisors (see below), whose sum is σ = 9374536620. Its totient is φ = 2083230352.

The previous prime is 5208075827. The next prime is 5208075941. The reversal of 5208075890 is 985708025.

It is a Cunningham number, because it is equal to 721672+1.

It can be written as a sum of positive squares in 2 ways, for example, as 5208075889 + 1 = 72167^2 + 1^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260403785 + ... + 260403804.

Almost surely, 25208075890 is an apocalyptic number.

5208075890 is a deficient number, since it is larger than the sum of its proper divisors (4166460730).

5208075890 is a wasteful number, since it uses less digits than its factorization.

5208075890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520807596.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 5208075890 is about 72167.0000069284. Note that the first 5 decimals coincide. The cubic root of 5208075890 is about 1733.3746252080.

The spelling of 5208075890 in words is "five billion, two hundred eight million, seventy-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 520807589 1041615178 2604037945 5208075890