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212422514 = 21722271619
BaseRepresentation
bin11001010100101…
…00111101110010
3112210201011220112
430222110331302
5413340010024
633024541322
75156363423
oct1452247562
9483634815
10212422514
11a99a81a7
125b181842
13350166c5
14202d764a
15139b000e
hexca94f72

212422514 has 24 divisors (see below), whose sum is σ = 340180560. Its totient is φ = 99461696.

The previous prime is 212422501. The next prime is 212422519. The reversal of 212422514 is 415224212.

It is a self number, because there is not a number n which added to its sum of digits gives 212422514.

It is not an unprimeable number, because it can be changed into a prime (212422519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130397 + ... + 132015.

It is an arithmetic number, because the mean of its divisors is an integer number (14174190).

Almost surely, 2212422514 is an apocalyptic number.

212422514 is a deficient number, since it is larger than the sum of its proper divisors (127758046).

212422514 is a wasteful number, since it uses less digits than its factorization.

212422514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1865 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 212422514 is about 14574.7217469151. The cubic root of 212422514 is about 596.6690551940.

Adding to 212422514 its reverse (415224212), we get a palindrome (627646726).

The spelling of 212422514 in words is "two hundred twelve million, four hundred twenty-two thousand, five hundred fourteen".

Divisors: 1 2 17 34 227 289 454 578 1619 3238 3859 7718 27523 55046 65603 131206 367513 467891 735026 935782 6247721 12495442 106211257 212422514