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212212030 = 25231078623
BaseRepresentation
bin11001010011000…
…01100100111110
3112210022111011211
430221201210332
5413311241110
633020235034
75154525652
oct1451414476
9483274154
10212212030
11a9874048
125b09ba7a
1334c71964
1420280a62
151396c98a
hexca6193e

212212030 has 32 divisors (see below), whose sum is σ = 402361344. Its totient is φ = 80426016.

The previous prime is 212211997. The next prime is 212212051. The reversal of 212212030 is 30212212.

212212030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212212030.

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, 20299 + ... + 28921.

It is an arithmetic number, because the mean of its divisors is an integer number (12573792).

Almost surely, 2212212030 is an apocalyptic number.

212212030 is a deficient number, since it is larger than the sum of its proper divisors (190149314).

212212030 is a wasteful number, since it uses less digits than its factorization.

212212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212212030 is about 14567.4990990218. The cubic root of 212212030 is about 596.4719153979.

Adding to 212212030 its reverse (30212212), we get a palindrome (242424242).

The spelling of 212212030 in words is "two hundred twelve million, two hundred twelve thousand, thirty".

Divisors: 1 2 5 10 23 46 107 115 214 230 535 1070 2461 4922 8623 12305 17246 24610 43115 86230 198329 396658 922661 991645 1845322 1983290 4613305 9226610 21221203 42442406 106106015 212212030