Base | Representation |
---|---|
bin | 10100001001010… |
… | …11110011101000 |
3 | 102210000002122111 |
4 | 22010223303220 |
5 | 321231001133 |
6 | 24434132104 |
7 | 4121322601 |
oct | 1204536350 |
9 | 383002574 |
10 | 169000168 |
11 | 8743a367 |
12 | 48721034 |
13 | 290221cc |
14 | 18632da8 |
15 | ec841cd |
hex | a12bce8 |
169000168 has 32 divisors (see below), whose sum is σ = 329337000. Its totient is φ = 81204480.
The previous prime is 169000157. The next prime is 169000211. The reversal of 169000168 is 861000961.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 146361604 + 22638564 = 12098^2 + 4758^2 .
It is a super-2 number, since 2×1690001682 = 57122113568056448, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51538 + ... + 54718.
Almost surely, 2169000168 is an apocalyptic number.
It is an amenable number.
169000168 is a deficient number, since it is larger than the sum of its proper divisors (160336832).
169000168 is a wasteful number, since it uses less digits than its factorization.
169000168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3445 (or 3441 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 169000168 is about 13000.0064615369. The cubic root of 169000168 is about 552.8776645698.
The spelling of 169000168 in words is "one hundred sixty-nine million, one hundred sixty-eight", and thus it is an aban number.
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