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211033212 = 223131352777
BaseRepresentation
bin11001001010000…
…01110001111100
3112201002121010220
430211001301330
5413011030322
632535101340
75141516115
oct1445016174
9481077126
10211033212
11a9139415
125a811850
133494b230
142005520c
15137d855c
hexc941c7c

211033212 has 24 divisors (see below), whose sum is σ = 530288976. Its totient is φ = 64933248.

The previous prime is 211033201. The next prime is 211033241. The reversal of 211033212 is 212330112.

211033212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211033191 and 211033200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676233 + ... + 676544.

It is an arithmetic number, because the mean of its divisors is an integer number (22095374).

Almost surely, 2211033212 is an apocalyptic number.

It is an amenable number.

211033212 is an abundant number, since it is smaller than the sum of its proper divisors (319255764).

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

211033212 is a wasteful number, since it uses less digits than its factorization.

211033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352797 (or 1352795 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211033212 is about 14526.9822055374. The cubic root of 211033212 is about 595.3654154395.

Adding to 211033212 its reverse (212330112), we get a palindrome (423363324).

The spelling of 211033212 in words is "two hundred eleven million, thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1352777 2705554 4058331 5411108 8116662 16233324 17586101 35172202 52758303 70344404 105516606 211033212