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212418966 = 23139254699
BaseRepresentation
bin11001010100101…
…00000110010110
3112210201000001010
430222110012112
5413334401331
633024513050
75156350164
oct1452240626
9483630033
10212418966
11a99a5571
125b17b786
1335014bc6
14202d6234
15139ade46
hexca94196

212418966 has 16 divisors (see below), whose sum is σ = 427896000. Its totient is φ = 70296648.

The previous prime is 212418949. The next prime is 212418971. The reversal of 212418966 is 669814212.

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, 126516 + ... + 128183.

It is an arithmetic number, because the mean of its divisors is an integer number (26743500).

Almost surely, 2212418966 is an apocalyptic number.

212418966 is an abundant number, since it is smaller than the sum of its proper divisors (215477034).

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

212418966 is a wasteful number, since it uses less digits than its factorization.

212418966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254843.

The product of its digits is 41472, while the sum is 39.

The square root of 212418966 is about 14574.6000288173. The cubic root of 212418966 is about 596.6657332084.

The spelling of 212418966 in words is "two hundred twelve million, four hundred eighteen thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 139 278 417 834 254699 509398 764097 1528194 35403161 70806322 106209483 212418966