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213150212 = 22112440393
BaseRepresentation
bin11001011010001…
…10101000000100
3112212002011010022
430231012220010
5414031301322
633052314312
75165514122
oct1455065004
9485064108
10213150212
11aa354a00
125b472998
133520c9b2
1420446912
1513aa5942
hexcb46a04

213150212 has 18 divisors (see below), whose sum is σ = 410006814. Its totient is φ = 96886240.

The previous prime is 213150211. The next prime is 213150221. The reversal of 213150212 is 212051312.

It is a happy number.

213150212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124902976 + 88247236 = 11176^2 + 9394^2 .

It is not an unprimeable number, because it can be changed into a prime (213150211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219713 + ... + 220680.

Almost surely, 2213150212 is an apocalyptic number.

213150212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213150212 is a deficient number, since it is larger than the sum of its proper divisors (196856602).

213150212 is a wasteful number, since it uses less digits than its factorization.

213150212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440419 (or 440406 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 213150212 is about 14599.6647906724. The cubic root of 213150212 is about 597.3496170968.

The spelling of 213150212 in words is "two hundred thirteen million, one hundred fifty thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 121 242 484 440393 880786 1761572 4844323 9688646 19377292 53287553 106575106 213150212