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5247580856 = 237293231269
BaseRepresentation
bin1001110001100011…
…11011101010111000
3111112201020201122112
410320301323222320
541221340041411
62224413511452
7244016462360
oct47061735270
914481221575
105247580856
112253139191
1210254a2588
1365823513b
1437ad0b9a0
1520aa5db8b
hex138c7bab8

5247580856 has 32 divisors (see below), whose sum is σ = 11632572000. Its totient is φ = 2171412096.

The previous prime is 5247580853. The next prime is 5247580867. The reversal of 5247580856 is 6580857425.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247580853) 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, 1614011 + ... + 1617258.

It is an arithmetic number, because the mean of its divisors is an integer number (363517875).

Almost surely, 25247580856 is an apocalyptic number.

5247580856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5247580856 is an abundant number, since it is smaller than the sum of its proper divisors (6384991144).

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

5247580856 is a wasteful number, since it uses less digits than its factorization.

5247580856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231311 (or 3231307 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The square root of 5247580856 is about 72440.1881278617. The cubic root of 5247580856 is about 1737.7463287630.

It can be divided in two parts, 52475 and 80856, that added together give a palindrome (133331).

The spelling of 5247580856 in words is "five billion, two hundred forty-seven million, five hundred eighty thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 3231269 6462538 12925076 22618883 25850152 45237766 90475532 93706801 180951064 187413602 374827204 655947607 749654408 1311895214 2623790428 5247580856