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168192412 = 22199211297
BaseRepresentation
bin10100000011001…
…10100110011100
3102201111001121121
422001212212130
5321024124122
624404540324
74111416613
oct1201464634
9381431547
10168192412
1186a384a3
12483b16a4
1328acb64b
14184a287a
15eb74bc7
hexa06699c

168192412 has 12 divisors (see below), whose sum is σ = 295817200. Its totient is φ = 83673216.

The previous prime is 168192403. The next prime is 168192413. The reversal of 168192412 is 214291861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168192413) 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, 104853 + ... + 106444.

Almost surely, 2168192412 is an apocalyptic number.

It is an amenable number.

168192412 is a deficient number, since it is larger than the sum of its proper divisors (127624788).

168192412 is a wasteful number, since it uses less digits than its factorization.

168192412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211500 (or 211498 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 168192412 is about 12968.9017268233. The cubic root of 168192412 is about 551.9954097147.

The spelling of 168192412 in words is "one hundred sixty-eight million, one hundred ninety-two thousand, four hundred twelve".

Divisors: 1 2 4 199 398 796 211297 422594 845188 42048103 84096206 168192412