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52052128 = 2523197359
BaseRepresentation
bin1100011010010…
…0000010100000
310121221112002121
43012210002200
5101311132003
65055354024
71201302322
oct306440240
9117845077
1052052128
1127422597
1215522914
13aa2649b
146cad612
154882cbd
hex31a40a0

52052128 has 48 divisors (see below), whose sum is σ = 107775360. Its totient is φ = 24699136.

The previous prime is 52052089. The next prime is 52052137. The reversal of 52052128 is 82125025.

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, 144813 + ... + 145171.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 252052128 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 52052128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53887680).

52052128 is an abundant number, since it is smaller than the sum of its proper divisors (55723232).

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

52052128 is a wasteful number, since it uses less digits than its factorization.

52052128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 52052128 is about 7214.7160720294. The cubic root of 52052128 is about 373.3757973240.

The spelling of 52052128 in words is "fifty-two million, fifty-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 197 359 368 394 718 736 788 1436 1576 2872 3152 4531 5744 6304 8257 9062 11488 16514 18124 33028 36248 66056 70723 72496 132112 141446 144992 264224 282892 565784 1131568 1626629 2263136 3253258 6506516 13013032 26026064 52052128