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212000329 = 1491422821
BaseRepresentation
bin11001010001011…
…01111001001001
3112202220201210001
430220231321021
5413233002304
633011523001
75152654522
oct1450557111
9482821701
10212000329
11a9739a92
125abb9461
1334bc94a8
1420227849
1513929da4
hexca2de49

212000329 has 4 divisors (see below), whose sum is σ = 213423300. Its totient is φ = 210577360.

The previous prime is 212000323. The next prime is 212000339. The reversal of 212000329 is 923000212.

It is a happy number.

212000329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 198161929 = 3720^2 + 14077^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000329 - 29 = 211999817 is a prime.

It is a super-2 number, since 2×2120003292 = 89888278992216482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711262 + ... + 711559.

It is an arithmetic number, because the mean of its divisors is an integer number (53355825).

Almost surely, 2212000329 is an apocalyptic number.

It is an amenable number.

212000329 is a deficient number, since it is larger than the sum of its proper divisors (1422971).

212000329 is a wasteful number, since it uses less digits than its factorization.

212000329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422970.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 212000329 is about 14560.2310764630. The cubic root of 212000329 is about 596.2735042237.

The spelling of 212000329 in words is "two hundred twelve million, three hundred twenty-nine", and thus it is an aban number.

Divisors: 1 149 1422821 212000329