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56248040 = 2351638627
BaseRepresentation
bin1101011010010…
…0011011101000
310220211200210202
43112210123220
5103344414130
65325331332
71252046312
oct326443350
9126750722
1056248040
1129828a92
1216a06b48
13b865284
1476827b2
154e11145
hex35a46e8

56248040 has 32 divisors (see below), whose sum is σ = 127349280. Its totient is φ = 22358592.

The previous prime is 56248007. The next prime is 56248057. The reversal of 56248040 is 4084265.

56248040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56247994 and 56248012.

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 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (3979665).

Almost surely, 256248040 is an apocalyptic number.

It is an amenable number.

56248040 is an abundant number, since it is smaller than the sum of its proper divisors (71101240).

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

56248040 is a wasteful number, since it uses less digits than its factorization.

56248040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 56248040 is about 7499.8693321951. The cubic root of 56248040 is about 383.1502658740.

The spelling of 56248040 in words is "fifty-six million, two hundred forty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 8627 17254 34508 43135 69016 86270 172540 345080 1406201 2812402 5624804 7031005 11249608 14062010 28124020 56248040