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52750384 = 2419732377
BaseRepresentation
bin1100100100111…
…0100000110000
310200020222220221
43021032200300
5102001003014
65122342424
71210241131
oct311164060
9120228827
1052750384
112785a165
12157baa14
13ac0c25b
147011c88
15496eb24
hex324e830

52750384 has 40 divisors (see below), whose sum is σ = 109102640. Its totient is φ = 24634368.

The previous prime is 52750367. The next prime is 52750387. The reversal of 52750384 is 48305725.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52750387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21004 + ... + 23380.

It is an arithmetic number, because the mean of its divisors is an integer number (2727566).

Almost surely, 252750384 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 52750384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54551320).

52750384 is an abundant number, since it is smaller than the sum of its proper divisors (56352256).

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

52750384 is a wasteful number, since it uses less digits than its factorization.

52750384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 52750384 is about 7262.9459587691. The cubic root of 52750384 is about 375.0379434199.

The spelling of 52750384 in words is "fifty-two million, seven hundred fifty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 19 38 73 76 146 152 292 304 584 1168 1387 2377 2774 4754 5548 9508 11096 19016 22192 38032 45163 90326 173521 180652 347042 361304 694084 722608 1388168 2776336 3296899 6593798 13187596 26375192 52750384