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52989808 = 244996637
BaseRepresentation
bin1100101000100…
…0111101110000
310200201011100111
43022020331300
5102031133213
65131431104
71212256144
oct312107560
9120634314
1052989808
1127a03033
12158b5494
13ac94221
147075224
1549baa3d
hex3288f70

52989808 has 20 divisors (see below), whose sum is σ = 102889000. Its totient is φ = 26437824.

The previous prime is 52989793. The next prime is 52989817. The reversal of 52989808 is 80898925.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4666 + ... + 11302.

It is an arithmetic number, because the mean of its divisors is an integer number (5144450).

Almost surely, 252989808 is an apocalyptic number.

It is an amenable number.

52989808 is a deficient number, since it is larger than the sum of its proper divisors (49899192).

52989808 is a wasteful number, since it uses less digits than its factorization.

52989808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144 (or 7138 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 52989808 is about 7279.4098661911. The cubic root of 52989808 is about 375.6044958506.

The spelling of 52989808 in words is "fifty-two million, nine hundred eighty-nine thousand, eight hundred eight".

Divisors: 1 2 4 8 16 499 998 1996 3992 6637 7984 13274 26548 53096 106192 3311863 6623726 13247452 26494904 52989808