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52006860 = 223752941
BaseRepresentation
bin1100011001100…
…0111111001100
310121212020000000
43012120333030
5101303204420
65054404300
71201023333
oct306307714
9117766000
1052006860
11273a1584
1215500690
13aa0b9b9
146c9ad1a
154874690
hex3198fcc

52006860 has 192 divisors, whose sum is σ = 173577600. Its totient is φ = 13063680.

The previous prime is 52006849. The next prime is 52006891. The reversal of 52006860 is 6860025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2 and base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1268440 + ... + 1268480.

It is an arithmetic number, because the mean of its divisors is an integer number (904050).

Almost surely, 252006860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52006860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86788800).

52006860 is an abundant number, since it is smaller than the sum of its proper divisors (121570740).

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

52006860 is a wasteful number, since it uses less digits than its factorization.

52006860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52006860 is about 7211.5781906598. The cubic root of 52006860 is about 373.2675284386.

Adding to 52006860 its reverse (6860025), we get a palindrome (58866885).

The spelling of 52006860 in words is "fifty-two million, six thousand, eight hundred sixty".