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5208960989 = 41433293413
BaseRepresentation
bin1001101100111101…
…00110111111011101
3111110000120122011002
410312132212333131
541131443222424
62220514040045
7243040303121
oct46636467735
914400518132
105208960989
112233360541
121014579025
1365023284b
14375b37581
15207480cae
hex1367a6fdd

5208960989 has 8 divisors (see below), whose sum is σ = 5348350392. Its totient is φ = 5070159360.

The previous prime is 5208960943. The next prime is 5208961001. The reversal of 5208960989 is 9890698025.

It can be written as a sum of positive squares in 4 ways, for example, as 140232964 + 5068728025 = 11842^2 + 71195^2 .

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 5208960989 - 28 = 5208960733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208960919) 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, 128954 + ... + 164459.

It is an arithmetic number, because the mean of its divisors is an integer number (668543799).

Almost surely, 25208960989 is an apocalyptic number.

It is an amenable number.

5208960989 is a deficient number, since it is larger than the sum of its proper divisors (139389403).

5208960989 is a wasteful number, since it uses less digits than its factorization.

5208960989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293887.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The square root of 5208960989 is about 72173.1320437183. The cubic root of 5208960989 is about 1733.4728138210.

The spelling of 5208960989 in words is "five billion, two hundred eight million, nine hundred sixty thousand, nine hundred eighty-nine".

Divisors: 1 41 433 17753 293413 12029933 127047829 5208960989