Base | Representation |
---|---|
bin | 10100000011000… |
… | …11010111000110 |
3 | 102201110101102010 |
4 | 22001203113012 |
5 | 321023213032 |
6 | 24404355050 |
7 | 4111333125 |
oct | 1201432706 |
9 | 381411363 |
10 | 168179142 |
11 | 86a2952a |
12 | 483a5a86 |
13 | 28ac55b1 |
14 | 1849babc |
15 | eb70ccc |
hex | a0635c6 |
168179142 has 16 divisors (see below), whose sum is σ = 336716352. Its totient is φ = 56000040.
The previous prime is 168179107. The next prime is 168179153. The reversal of 168179142 is 241971861.
It is a self number, because there is not a number n which added to its sum of digits gives 168179142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8608 + ... + 20259.
It is an arithmetic number, because the mean of its divisors is an integer number (21044772).
Almost surely, 2168179142 is an apocalyptic number.
168179142 is an abundant number, since it is smaller than the sum of its proper divisors (168537210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168179142 is a wasteful number, since it uses less digits than its factorization.
168179142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29843.
The product of its digits is 24192, while the sum is 39.
The square root of 168179142 is about 12968.3901082594. The cubic root of 168179142 is about 551.9808922707.
The spelling of 168179142 in words is "one hundred sixty-eight million, one hundred seventy-nine thousand, one hundred forty-two".
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