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52875306 = 2321132207
BaseRepresentation
bin1100100110110…
…1000000101010
310200111100021200
43021231000222
5102014002211
65125145030
71211301261
oct311550052
9120440250
1052875306
1127935000
121585b176
13ac54083
1470455d8
154996b56
hex326d02a

52875306 has 48 divisors (see below), whose sum is σ = 126067968. Its totient is φ = 16015560.

The previous prime is 52875289. The next prime is 52875311. The reversal of 52875306 is 60357825.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22855 + ... + 25061.

It is an arithmetic number, because the mean of its divisors is an integer number (2626416).

Almost surely, 252875306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52875306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63033984).

52875306 is an abundant number, since it is smaller than the sum of its proper divisors (73192662).

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

52875306 is a wasteful number, since it uses less digits than its factorization.

52875306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 52875306 is about 7271.5408270875. The cubic root of 52875306 is about 375.3337615205. Note that the first 3 decimals are identical.

The spelling of 52875306 in words is "fifty-two million, eight hundred seventy-five thousand, three hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 1331 2178 2207 2662 3993 4414 6621 7986 11979 13242 19863 23958 24277 39726 48554 72831 145662 218493 267047 436986 534094 801141 1602282 2403423 2937517 4806846 5875034 8812551 17625102 26437653 52875306