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505055525 = 52134873191
BaseRepresentation
bin11110000110101…
…000100100100101
31022012100110221012
4132012220210211
52013243234100
6122041032005
715341621042
oct3606504445
91265313835
10505055525
1123a0aa767
12121185605
1380835230
144b1101c9
152e516135
hex1e1a8925

505055525 has 24 divisors (see below), whose sum is σ = 676040064. Its totient is φ = 372081600.

The previous prime is 505055521. The next prime is 505055531. The reversal of 505055525 is 525550505.

It is not a de Polignac number, because 505055525 - 22 = 505055521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505055491 and 505055500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 156680 + ... + 159870.

It is an arithmetic number, because the mean of its divisors is an integer number (28168336).

Almost surely, 2505055525 is an apocalyptic number.

It is an amenable number.

505055525 is a deficient number, since it is larger than the sum of its proper divisors (170984539).

505055525 is a wasteful number, since it uses less digits than its factorization.

505055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The square root of 505055525 is about 22473.4404353228. The cubic root of 505055525 is about 796.3666090073.

The spelling of 505055525 in words is "five hundred five million, fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 487 2435 3191 6331 12175 15955 31655 41483 79775 158275 207415 1037075 1554017 7770085 20202221 38850425 101011105 505055525