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212424214 = 21731432109
BaseRepresentation
bin11001010100101…
…01011000010110
3112210201021020111
430222111120112
5413340033324
633024553234
75156401402
oct1452253026
9483637214
10212424214
11a99a9502
125b18281a
1335017402
14202d8102
15139b0794
hexca95616

212424214 has 48 divisors (see below), whose sum is σ = 359821440. Its totient is φ = 93623040.

The previous prime is 212424203. The next prime is 212424227. The reversal of 212424214 is 412424212.

It is a congruent number.

It is an unprimeable number.

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, 1948792 + ... + 1948900.

It is an arithmetic number, because the mean of its divisors is an integer number (7496280).

Almost surely, 2212424214 is an apocalyptic number.

212424214 is a deficient number, since it is larger than the sum of its proper divisors (147397226).

212424214 is a wasteful number, since it uses less digits than its factorization.

212424214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 202 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 212424214 is about 14574.7800669513. The cubic root of 212424214 is about 596.6706468876.

Adding to 212424214 its reverse (412424212), we get a palindrome (624848426).

The spelling of 212424214 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred fourteen".

Divisors: 1 2 17 31 34 43 62 86 109 218 527 731 1054 1333 1462 1849 1853 2666 3379 3698 3706 4687 6758 9374 22661 31433 45322 57319 57443 62866 79679 114638 114886 145297 159358 201541 290594 403082 974423 1948846 2470049 3426197 4940098 6247771 6852394 12495542 106212107 212424214