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52983720 = 233652379
BaseRepresentation
bin1100101000011…
…1011110101000
310200200212000000
43022013132220
5102030434340
65131343000
71212232326
oct312073650
9120625000
1052983720
11279a94a9
12158b1a60
13ac9151a
147072d16
1549b8d30
hex32877a8

52983720 has 224 divisors, whose sum is σ = 188870400. Its totient is φ = 13343616.

The previous prime is 52983719. The next prime is 52983727. The reversal of 52983720 is 2738925.

It is a happy number.

52983720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (52983727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 670641 + ... + 670719.

Almost surely, 252983720 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 52983720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94435200).

52983720 is an abundant number, since it is smaller than the sum of its proper divisors (135886680).

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

52983720 is a wasteful number, since it uses less digits than its factorization.

52983720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52983720 is about 7278.9916884140. The cubic root of 52983720 is about 375.5901108972.

The spelling of 52983720 in words is "fifty-two million, nine hundred eighty-three thousand, seven hundred twenty".