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212002 = 2719797
BaseRepresentation
bin110011110000100010
3101202210221
4303300202
523241002
64313254
71542040
oct636042
9352727
10212002
1113530a
12a282a
137565b
1457390
1542c37
hex33c22

212002 has 16 divisors (see below), whose sum is σ = 383040. Its totient is φ = 85968.

The previous prime is 211997. The next prime is 212029. The reversal of 212002 is 200212.

It is a happy number.

212002 is nontrivially palindromic in base 12.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

212002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 664.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2212002 is an apocalyptic number.

212002 is a deficient number, since it is larger than the sum of its proper divisors (171038).

212002 is a wasteful number, since it uses less digits than its factorization.

212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 212002 is about 460.4367491849. The cubic root of 212002 is about 59.6275070841.

Adding to 212002 its reverse (200212), we get a palindrome (412214).

The spelling of 212002 in words is "two hundred twelve thousand, two", and thus it is an iban number.

Divisors: 1 2 7 14 19 38 133 266 797 1594 5579 11158 15143 30286 106001 212002