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168212 = 22113823
BaseRepresentation
bin101001000100010100
322112202002
4221010110
520340322
63334432
71300262
oct510424
9275662
10168212
11105420
1281418
135b745
1445432
1534c92
hex29114

168212 has 12 divisors (see below), whose sum is σ = 321216. Its totient is φ = 76440.

The previous prime is 168211. The next prime is 168227. The reversal of 168212 is 212861.

168212 is nontrivially palindromic in base 12.

168212 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168211) 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, 1868 + ... + 1955.

It is an arithmetic number, because the mean of its divisors is an integer number (26768).

2168212 is an apocalyptic number.

It is an amenable number.

168212 is a deficient number, since it is larger than the sum of its proper divisors (153004).

168212 is a wasteful number, since it uses less digits than its factorization.

168212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838 (or 3836 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 168212 is about 410.1365626227. The cubic root of 168212 is about 55.2016837686.

It can be divided in two parts, 16 and 8212, that added together give a palindrome (8228).

The spelling of 168212 in words is "one hundred sixty-eight thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 3823 7646 15292 42053 84106 168212