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168069 = 3112463
BaseRepresentation
bin101001000010000101
322112112210
4221002011
520334234
63334033
71266666
oct510205
9275483
10168069
11105300
1281319
135b665
144536d
1534be9
hex29085

168069 has 12 divisors (see below), whose sum is σ = 246848. Its totient is φ = 101640.

The previous prime is 168067. The next prime is 168071. The reversal of 168069 is 960861.

It is an interprime number because it is at equal distance from previous prime (168067) and next prime (168071).

It is not a de Polignac number, because 168069 - 21 = 168067 is a prime.

It is a super-2 number, since 2×1680692 = 56494377522, which contains 22 as substring.

It is a Duffinian number.

168069 is a lucky number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132 + ... + 594.

2168069 is an apocalyptic number.

It is an amenable number.

168069 is a deficient number, since it is larger than the sum of its proper divisors (78779).

168069 is a wasteful number, since it uses less digits than its factorization.

168069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 168069 is about 409.9621933789. The cubic root of 168069 is about 55.1860366908.

The spelling of 168069 in words is "one hundred sixty-eight thousand, sixty-nine".

Divisors: 1 3 11 33 121 363 463 1389 5093 15279 56023 168069