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52750008 = 23331032371
BaseRepresentation
bin1100100100111…
…0011010111000
310200020222102000
43021032122320
5102001000013
65122341000
71210240053
oct311163270
9120228360
1052750008
1127859953
12157ba760
13ac0c02c
147011a9a
15496e973
hex324e6b8

52750008 has 64 divisors (see below), whose sum is σ = 148012800. Its totient is φ = 17405280.

The previous prime is 52750007. The next prime is 52750039. The reversal of 52750008 is 80005725.

It is a happy number.

52750008 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52750001) 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 15 ways as a sum of consecutive naturals, for example, 21063 + ... + 23433.

It is an arithmetic number, because the mean of its divisors is an integer number (2312700).

Almost surely, 252750008 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 52750008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74006400).

52750008 is an abundant number, since it is smaller than the sum of its proper divisors (95262792).

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

52750008 is a wasteful number, since it uses less digits than its factorization.

52750008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 52750008 is about 7262.9200739097. The cubic root of 52750008 is about 375.0370523389.

The spelling of 52750008 in words is "fifty-two million, seven hundred fifty thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 103 108 206 216 309 412 618 824 927 1236 1854 2371 2472 2781 3708 4742 5562 7113 7416 9484 11124 14226 18968 21339 22248 28452 42678 56904 64017 85356 128034 170712 244213 256068 488426 512136 732639 976852 1465278 1953704 2197917 2930556 4395834 5861112 6593751 8791668 13187502 17583336 26375004 52750008