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52129568 = 255927611
BaseRepresentation
bin1100011011011…
…0111100100000
310122002110022202
43012312330200
5101321121233
65101152332
71202044151
oct306667440
9118073282
1052129568
1127475797
121555b6a8
13aa527ca
146ccd928
15489abe8
hex31b6f20

52129568 has 24 divisors (see below), whose sum is σ = 104373360. Its totient is φ = 25622080.

The previous prime is 52129547. The next prime is 52129591. The reversal of 52129568 is 86592125.

52129568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11918 + ... + 15693.

It is an arithmetic number, because the mean of its divisors is an integer number (4348890).

Almost surely, 252129568 is an apocalyptic number.

It is an amenable number.

52129568 is an abundant number, since it is smaller than the sum of its proper divisors (52243792).

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

52129568 is a wasteful number, since it uses less digits than its factorization.

52129568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27680 (or 27672 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 52129568 is about 7220.0808859735. The cubic root of 52129568 is about 373.5608675332.

The spelling of 52129568 in words is "fifty-two million, one hundred twenty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 59 118 236 472 944 1888 27611 55222 110444 220888 441776 883552 1629049 3258098 6516196 13032392 26064784 52129568