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52079760 = 243651947
BaseRepresentation
bin1100011010101…
…0110010010000
310121222221000000
43012222302100
5101313023020
65100130000
71201446015
oct306526220
9117887000
1052079760
1127441327
1215536900
13aa35c35
146cb970c
15488b090
hex31aac90

52079760 has 280 divisors, whose sum is σ = 195166080. Its totient is φ = 12877056.

The previous prime is 52079759. The next prime is 52079801. The reversal of 52079760 is 6797025.

52079760 is a `hidden beast` number, since 520 + 79 + 7 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1108057 + ... + 1108103.

Almost surely, 252079760 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 52079760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97583040).

52079760 is an abundant number, since it is smaller than the sum of its proper divisors (143086320).

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

52079760 is a wasteful number, since it uses less digits than its factorization.

52079760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 52079760 is about 7216.6307928285. The cubic root of 52079760 is about 373.4418547895.

The spelling of 52079760 in words is "fifty-two million, seventy-nine thousand, seven hundred sixty".