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509248795 = 51154716927
BaseRepresentation
bin11110010110101…
…000010100011011
31022111020112000111
4132112220110123
52020331430140
6122310545151
715422354236
oct3626502433
91274215014
10509248795
11241504180
121226681b7
1381672a63
144b8c241d
152ea937ea
hex1e5a851b

509248795 has 16 divisors (see below), whose sum is σ = 667911168. Its totient is φ = 369663840.

The previous prime is 509248783. The next prime is 509248799. The reversal of 509248795 is 597842905.

It is not a de Polignac number, because 509248795 - 27 = 509248667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509248799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21622 + ... + 38548.

It is an arithmetic number, because the mean of its divisors is an integer number (41744448).

Almost surely, 2509248795 is an apocalyptic number.

509248795 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

509248795 is a deficient number, since it is larger than the sum of its proper divisors (158662373).

509248795 is a wasteful number, since it uses less digits than its factorization.

509248795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 509248795 is about 22566.5414939906. The cubic root of 509248795 is about 798.5645064677.

The spelling of 509248795 in words is "five hundred nine million, two hundred forty-eight thousand, seven hundred ninety-five".

Divisors: 1 5 11 55 547 2735 6017 16927 30085 84635 186197 930985 9259069 46295345 101849759 509248795