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505106212 = 221371136811
BaseRepresentation
bin11110000110110…
…100111100100100
31022012110001110111
4132012310330210
52013301344322
6122042102404
715342221602
oct3606647444
91265401414
10505106212
1123a134856
121211aaa04
1380852320
144b124872
152e526177
hex1e1b4f24

505106212 has 24 divisors (see below), whose sum is σ = 965345472. Its totient is φ = 229840800.

The previous prime is 505106207. The next prime is 505106213. The reversal of 505106212 is 212601505.

It is not an unprimeable number, because it can be changed into a prime (505106213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64714 + ... + 72097.

It is an arithmetic number, because the mean of its divisors is an integer number (40222728).

Almost surely, 2505106212 is an apocalyptic number.

505106212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505106212 is a deficient number, since it is larger than the sum of its proper divisors (460239260).

505106212 is a wasteful number, since it uses less digits than its factorization.

505106212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136899 (or 136897 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 505106212 is about 22474.5681159839. The cubic root of 505106212 is about 796.3932490380.

Adding to 505106212 its reverse (212601505), we get a palindrome (717707717).

The spelling of 505106212 in words is "five hundred five million, one hundred six thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 71 142 284 923 1846 3692 136811 273622 547244 1778543 3557086 7114172 9713581 19427162 38854324 126276553 252553106 505106212