Base | Representation |
---|---|
bin | 1100100101100… |
… | …0101001100000 |
3 | 10200100002212201 |
4 | 3021120221200 |
5 | 102003320104 |
6 | 5123302544 |
7 | 1210503154 |
oct | 311305140 |
9 | 120302781 |
10 | 52791904 |
11 | 27888380 |
12 | 1581aa54 |
13 | ac25119 |
14 | 7023064 |
15 | 497c0a4 |
hex | 3258a60 |
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".
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