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52791904 = 2511473191
BaseRepresentation
bin1100100101100…
…0101001100000
310200100002212201
43021120221200
5102003320104
65123302544
71210503154
oct311305140
9120302781
1052791904
1127888380
121581aa54
13ac25119
147023064
15497c0a4
hex3258a60

52791904 has 48 divisors (see below), whose sum is σ = 115831296. Its totient is φ = 23478400.

The previous prime is 52791841. The next prime is 52791911. The reversal of 52791904 is 40919725.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 14949 + ... + 18139.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 252791904 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 52791904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648).

52791904 is an abundant number, since it is smaller than the sum of its proper divisors (63039392).

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

52791904 is a wasteful number, since it uses less digits than its factorization.

52791904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 52791904 is about 7265.8037408122. The cubic root of 52791904 is about 375.1363154793.

The spelling of 52791904 in words is "fifty-two million, seven hundred ninety-one thousand, nine hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 47 88 94 176 188 352 376 517 752 1034 1504 2068 3191 4136 6382 8272 12764 16544 25528 35101 51056 70202 102112 140404 149977 280808 299954 561616 599908 1123232 1199816 1649747 2399632 3299494 4799264 6598988 13197976 26395952 52791904