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505223415 = 32511227187
BaseRepresentation
bin11110000111010…
…001100011110111
31022012200000020100
4132013101203313
52013314122130
6122044405143
715343220364
oct3607214367
91265600210
10505223415
1123a204914
121212467b3
1380893788
144b15546b
152e54ac60
hex1e1d18f7

505223415 has 12 divisors (see below), whose sum is σ = 875720664. Its totient is φ = 269452464.

The previous prime is 505223387. The next prime is 505223423. The reversal of 505223415 is 514322505.

It is a happy number.

It is not a de Polignac number, because 505223415 - 27 = 505223287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5613549 + ... + 5613638.

It is an arithmetic number, because the mean of its divisors is an integer number (72976722).

Almost surely, 2505223415 is an apocalyptic number.

505223415 is a deficient number, since it is larger than the sum of its proper divisors (370497249).

505223415 is a wasteful number, since it uses less digits than its factorization.

505223415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227198 (or 11227195 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 505223415 is about 22477.1754230820. The cubic root of 505223415 is about 796.4548416676.

The spelling of 505223415 in words is "five hundred five million, two hundred twenty-three thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 45 11227187 33681561 56135935 101044683 168407805 505223415