Base | Representation |
---|---|
bin | 10100001100010… |
… | …10000010000000 |
3 | 102210201201001201 |
4 | 22012022002000 |
5 | 321330323422 |
6 | 24450310544 |
7 | 4124521030 |
oct | 1206120200 |
9 | 383651051 |
10 | 169386112 |
11 | 87683325 |
12 | 48888454 |
13 | 29128a8c |
14 | 186d38c0 |
15 | ed0d727 |
hex | a18a080 |
169386112 has 64 divisors (see below), whose sum is σ = 390700800. Its totient is φ = 71645184.
The previous prime is 169386101. The next prime is 169386131. The reversal of 169386112 is 211683961.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69588 + ... + 71980.
It is an arithmetic number, because the mean of its divisors is an integer number (6104700).
Almost surely, 2169386112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 169386112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195350400).
169386112 is an abundant number, since it is smaller than the sum of its proper divisors (221314688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169386112 is an equidigital number, since it uses as much as digits as its factorization.
169386112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2493 (or 2481 counting only the distinct ones).
The product of its digits is 15552, while the sum is 37.
The square root of 169386112 is about 13014.8419890523. The cubic root of 169386112 is about 553.2982116705.
The spelling of 169386112 in words is "one hundred sixty-nine million, three hundred eighty-six thousand, one hundred twelve".
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