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212022006 = 2378360821
BaseRepresentation
bin11001010001100…
…11001011110110
3112202221211111220
430220303023312
5413234201011
633012211210
75153104650
oct1450631366
9482854456
10212022006
11a97542a9
125b009b06
1334c06311
14202316d0
1513931506
hexca332f6

212022006 has 32 divisors (see below), whose sum is σ = 490468608. Its totient is φ = 59846880.

The previous prime is 212021993. The next prime is 212022023. The reversal of 212022006 is 600220212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26925 + ... + 33896.

It is an arithmetic number, because the mean of its divisors is an integer number (15327144).

Almost surely, 2212022006 is an apocalyptic number.

212022006 is an abundant number, since it is smaller than the sum of its proper divisors (278446602).

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

212022006 is a wasteful number, since it uses less digits than its factorization.

212022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60916.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212022006 is about 14560.9754480941. The cubic root of 212022006 is about 596.2938264881.

Adding to 212022006 its reverse (600220212), we get a palindrome (812242218).

The spelling of 212022006 in words is "two hundred twelve million, twenty-two thousand, six".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 60821 121642 182463 364926 425747 851494 1277241 2554482 5048143 10096286 15144429 30288858 35337001 70674002 106011003 212022006