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212244414 = 23233149613
BaseRepresentation
bin11001010011010…
…01011110111110
3112210101010121020
430221221132332
5413313310124
633021045010
75155022244
oct1451513676
9483333536
10212244414
11a9896408
125b0b6766
1334c83615
142028c794
1513977379
hexca697be

212244414 has 32 divisors (see below), whose sum is σ = 457242624. Its totient is φ = 65487840.

The previous prime is 212244407. The next prime is 212244449. The reversal of 212244414 is 414442212.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 20529 + ... + 29084.

It is an arithmetic number, because the mean of its divisors is an integer number (14288832).

Almost surely, 2212244414 is an apocalyptic number.

212244414 is an abundant number, since it is smaller than the sum of its proper divisors (244998210).

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

212244414 is a wasteful number, since it uses less digits than its factorization.

212244414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49672.

The product of its digits is 2048, while the sum is 24.

The square root of 212244414 is about 14568.6105720484. The cubic root of 212244414 is about 596.5022548089.

Adding to 212244414 its reverse (414442212), we get a palindrome (626686626).

The spelling of 212244414 in words is "two hundred twelve million, two hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 3 6 23 31 46 62 69 93 138 186 713 1426 2139 4278 49613 99226 148839 297678 1141099 1538003 2282198 3076006 3423297 4614009 6846594 9228018 35374069 70748138 106122207 212244414