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507117212 = 22718111329
BaseRepresentation
bin11110001110011…
…111111010011100
31022100020020000222
4132032133322130
52014310222322
6122153140512
715365265560
oct3616377234
91270206028
10507117212
11240288738
121219ba738
13810a7774
144b4c96a0
152e7c1e42
hex1e39fe9c

507117212 has 12 divisors (see below), whose sum is σ = 1014234480. Its totient is φ = 217335936.

The previous prime is 507117181. The next prime is 507117253. The reversal of 507117212 is 212711705.

507117212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9055637 + ... + 9055692.

It is an arithmetic number, because the mean of its divisors is an integer number (84519540).

Almost surely, 2507117212 is an apocalyptic number.

It is an amenable number.

507117212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

507117212 is a wasteful number, since it uses less digits than its factorization.

507117212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111340 (or 18111338 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 507117212 is about 22519.2631318167. The cubic root of 507117212 is about 797.4487538275.

Adding to 507117212 its reverse (212711705), we get a palindrome (719828917).

The spelling of 507117212 in words is "five hundred seven million, one hundred seventeen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 18111329 36222658 72445316 126779303 253558606 507117212