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52308768 = 253544883
BaseRepresentation
bin1100011110001…
…0101100100000
310122102120010210
43013202230200
5101342340033
65105054120
71203421461
oct307425440
9118376123
1052308768
1127588396
1215627340
13aab6245
146d38d68
1548d3d63
hex31e2b20

52308768 has 24 divisors (see below), whose sum is σ = 137310768. Its totient is φ = 17436224.

The previous prime is 52308761. The next prime is 52308797. The reversal of 52308768 is 86780325.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (52308761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 272346 + ... + 272537.

It is an arithmetic number, because the mean of its divisors is an integer number (5721282).

Almost surely, 252308768 is an apocalyptic number.

It is an amenable number.

52308768 is an abundant number, since it is smaller than the sum of its proper divisors (85002000).

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

52308768 is a wasteful number, since it uses less digits than its factorization.

52308768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544896 (or 544888 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 52308768 is about 7232.4800725616. The cubic root of 52308768 is about 373.9884274875.

The spelling of 52308768 in words is "fifty-two million, three hundred eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 544883 1089766 1634649 2179532 3269298 4359064 6538596 8718128 13077192 17436256 26154384 52308768