Base | Representation |
---|---|
bin | 10100001011001… |
… | …11000111110000 |
3 | 102210110102220201 |
4 | 22011213013300 |
5 | 321311234440 |
6 | 24443244544 |
7 | 4123354114 |
oct | 1205470760 |
9 | 383412821 |
10 | 169243120 |
11 | 87595952 |
12 | 48819754 |
13 | 290a8977 |
14 | 18697744 |
15 | ecd119a |
hex | a1671f0 |
169243120 has 20 divisors (see below), whose sum is σ = 393490440. Its totient is φ = 67697216.
The previous prime is 169243091. The next prime is 169243147. The reversal of 169243120 is 21342961.
169243120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 1057690 + ... + 1057849.
It is an arithmetic number, because the mean of its divisors is an integer number (19674522).
Almost surely, 2169243120 is an apocalyptic number.
169243120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
169243120 is an abundant number, since it is smaller than the sum of its proper divisors (224247320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169243120 is a wasteful number, since it uses less digits than its factorization.
169243120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2115552 (or 2115546 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 169243120 is about 13009.3474086904. The cubic root of 169243120 is about 553.1424738115.
The spelling of 169243120 in words is "one hundred sixty-nine million, two hundred forty-three thousand, one hundred twenty".
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