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5255680660 = 225262784033
BaseRepresentation
bin1001110010100001…
…10101001010010100
3111120021111020111021
410321100311022110
541230423240120
62225303250524
7244145356066
oct47120651224
914507436437
105255680660
11225777073a
121028149a44
13659b0cb19
1437c019736
1520b60daaa
hex139435294

5255680660 has 12 divisors (see below), whose sum is σ = 11036929428. Its totient is φ = 2102272256.

The previous prime is 5255680631. The next prime is 5255680669. The reversal of 5255680660 is 660865525.

It can be written as a sum of positive squares in 2 ways, for example, as 3302571024 + 1953109636 = 57468^2 + 44194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255680669) 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, 131391997 + ... + 131392036.

It is an arithmetic number, because the mean of its divisors is an integer number (919744119).

Almost surely, 25255680660 is an apocalyptic number.

It is an amenable number.

5255680660 is an abundant number, since it is smaller than the sum of its proper divisors (5781248768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5255680660 is a wasteful number, since it uses less digits than its factorization.

5255680660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262784042 (or 262784040 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 5255680660 is about 72496.0734109096. The cubic root of 5255680660 is about 1738.6399576124.

The spelling of 5255680660 in words is "five billion, two hundred fifty-five million, six hundred eighty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 262784033 525568066 1051136132 1313920165 2627840330 5255680660