Base | Representation |
---|---|
bin | 10100010000001… |
… | …11100000100100 |
3 | 102211200211002010 |
4 | 22020013200210 |
5 | 321443300233 |
6 | 24505314220 |
7 | 4132061322 |
oct | 1210074044 |
9 | 384624063 |
10 | 169900068 |
11 | 879a4488 |
12 | 48a95970 |
13 | 292789b0 |
14 | 187c8d12 |
15 | edb0b63 |
hex | a207824 |
169900068 has 24 divisors (see below), whose sum is σ = 426928768. Its totient is φ = 52276896.
The previous prime is 169900063. The next prime is 169900097. The reversal of 169900068 is 860009961.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 169899999 and 169900035.
It is not an unprimeable number, because it can be changed into a prime (169900063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544396 + ... + 544707.
Almost surely, 2169900068 is an apocalyptic number.
It is an amenable number.
169900068 is an abundant number, since it is smaller than the sum of its proper divisors (257028700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169900068 is a wasteful number, since it uses less digits than its factorization.
169900068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089123 (or 1089121 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 39.
The square root of 169900068 is about 13034.5720297983. The cubic root of 169900068 is about 553.8572575112.
The spelling of 169900068 in words is "one hundred sixty-nine million, nine hundred thousand, sixty-eight".
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