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505375375 = 538945427
BaseRepresentation
bin11110000111110…
…110101010001111
31022012221201200111
4132013312222033
52013334003000
6122051540451
715344422411
oct3607665217
91265851614
10505375375
1123a2a8aaa
121212ba727
13809179ab
144b1949b1
152e57acba
hex1e1f6a8f

505375375 has 16 divisors (see below), whose sum is σ = 637809120. Its totient is φ = 399748800.

The previous prime is 505375333. The next prime is 505375379. The reversal of 505375375 is 573573505.

It is not a de Polignac number, because 505375375 - 213 = 505367183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505375379) 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, 11589 + ... + 33838.

It is an arithmetic number, because the mean of its divisors is an integer number (39863070).

Almost surely, 2505375375 is an apocalyptic number.

505375375 is a deficient number, since it is larger than the sum of its proper divisors (132433745).

505375375 is an equidigital number, since it uses as much as digits as its factorization.

505375375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45531 (or 45521 counting only the distinct ones).

The product of its (nonzero) digits is 275625, while the sum is 40.

The square root of 505375375 is about 22480.5554869091. Note that the first 3 decimals coincide. The cubic root of 505375375 is about 796.5346856481.

The spelling of 505375375 in words is "five hundred five million, three hundred seventy-five thousand, three hundred seventy-five".

Divisors: 1 5 25 89 125 445 2225 11125 45427 227135 1135675 4043003 5678375 20215015 101075075 505375375