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212444414 = 27131167277
BaseRepresentation
bin11001010100110…
…10010011111110
3112210202021221122
430222122103332
5413341210124
633025230542
75156514320
oct1452322376
9483667848
10212444414
11a9a126a6
125b192452
1335023670
1420301610
15139b675e
hexca9a4fe

212444414 has 16 divisors (see below), whose sum is σ = 392205408. Its totient is φ = 84043872.

The previous prime is 212444383. The next prime is 212444429. The reversal of 212444414 is 414444212.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583457 + ... + 583820.

It is an arithmetic number, because the mean of its divisors is an integer number (24512838).

Almost surely, 2212444414 is an apocalyptic number.

212444414 is a deficient number, since it is larger than the sum of its proper divisors (179760994).

212444414 is a wasteful number, since it uses less digits than its factorization.

212444414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167299.

The product of its digits is 4096, while the sum is 26.

The square root of 212444414 is about 14575.4730283446. The cubic root of 212444414 is about 596.6895593032.

Adding to 212444414 its reverse (414444212), we get a palindrome (626888626).

The spelling of 212444414 in words is "two hundred twelve million, four hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 7 13 14 26 91 182 1167277 2334554 8170939 15174601 16341878 30349202 106222207 212444414