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52808352 = 2535397107
BaseRepresentation
bin1100100101110…
…0101010100000
310200100221102220
43021130222200
5102004331402
65123511040
71210602132
oct311345240
9120327386
1052808352
1127899773
1215828480
13ac2c75c
147029052
154981dbc
hex325caa0

52808352 has 96 divisors (see below), whose sum is σ = 144027072. Its totient is φ = 16932864.

The previous prime is 52808351. The next prime is 52808359. The reversal of 52808352 is 25380825.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (52808351) 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 15 ways as a sum of consecutive naturals, for example, 493483 + ... + 493589.

It is an arithmetic number, because the mean of its divisors is an integer number (1500282).

Almost surely, 252808352 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 52808352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72013536).

52808352 is an abundant number, since it is smaller than the sum of its proper divisors (91218720).

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

52808352 is a wasteful number, since it uses less digits than its factorization.

52808352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 52808352 is about 7266.9355301943. The cubic root of 52808352 is about 375.1752709564.

The spelling of 52808352 in words is "fifty-two million, eight hundred eight thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 97 106 107 159 194 212 214 291 318 321 388 424 428 582 636 642 776 848 856 1164 1272 1284 1552 1696 1712 2328 2544 2568 3104 3424 4656 5088 5136 5141 5671 9312 10272 10282 10379 11342 15423 17013 20564 20758 22684 30846 31137 34026 41128 41516 45368 61692 62274 68052 82256 83032 90736 123384 124548 136104 164512 166064 181472 246768 249096 272208 332128 493536 498192 544416 550087 996384 1100174 1650261 2200348 3300522 4400696 6601044 8801392 13202088 17602784 26404176 52808352