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52080064 = 261942829
BaseRepresentation
bin1100011010101…
…0110111000000
310121222221102021
43012222313000
5101313030224
65100131224
71201446631
oct306526700
9117887367
1052080064
1127441583
1215536b14
13aa3610a
146cb9888
15488b1e4
hex31aadc0

52080064 has 28 divisors (see below), whose sum is σ = 108788200. Its totient is φ = 24668928.

The previous prime is 52080059. The next prime is 52080101. The reversal of 52080064 is 46008025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20199 + ... + 22630.

Almost surely, 252080064 is an apocalyptic number.

It is an amenable number.

52080064 is an abundant number, since it is smaller than the sum of its proper divisors (56708136).

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

52080064 is a wasteful number, since it uses less digits than its factorization.

52080064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42860 (or 42850 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52080064 is about 7216.6518552581. The cubic root of 52080064 is about 373.4425814064.

Adding to 52080064 its reverse (46008025), we get a palindrome (98088089).

The spelling of 52080064 in words is "fifty-two million, eighty thousand, sixty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 42829 85658 171316 342632 685264 813751 1370528 1627502 2741056 3255004 6510008 13020016 26040032 52080064