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53811128 = 2372773469
BaseRepresentation
bin1100110101000…
…1011110111000
310202020212222202
43031101132320
5102233424003
65201205332
71222246520
oct315213670
9122225882
1053811128
1128414108
1216030848
13b1c1007
14720a680
154ace088
hex33517b8

53811128 has 32 divisors (see below), whose sum is σ = 115759200. Its totient is φ = 22972032.

The previous prime is 53811101. The next prime is 53811151. The reversal of 53811128 is 82111835.

It is a self number, because there is not a number n which added to its sum of digits gives 53811128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13778 + ... + 17246.

It is an arithmetic number, because the mean of its divisors is an integer number (3617475).

Almost surely, 253811128 is an apocalyptic number.

It is an amenable number.

53811128 is an abundant number, since it is smaller than the sum of its proper divisors (61948072).

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

53811128 is a wasteful number, since it uses less digits than its factorization.

53811128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759 (or 3755 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 53811128 is about 7335.6068596947. The cubic root of 53811128 is about 377.5351264771.

The spelling of 53811128 in words is "fifty-three million, eight hundred eleven thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 277 554 1108 1939 2216 3469 3878 6938 7756 13876 15512 24283 27752 48566 97132 194264 960913 1921826 3843652 6726391 7687304 13452782 26905564 53811128