Base | Representation |
---|---|
bin | 10100001001101… |
… | …01100101000000 |
3 | 102210002010112212 |
4 | 22010311211000 |
5 | 321233241232 |
6 | 24435041252 |
7 | 4121550356 |
oct | 1204654500 |
9 | 383063485 |
10 | 169040192 |
11 | 87467442 |
12 | 48740228 |
13 | 290374a9 |
14 | 186437d6 |
15 | ec90eb2 |
hex | a135940 |
169040192 has 56 divisors (see below), whose sum is σ = 345643200. Its totient is φ = 81990656.
The previous prime is 169040191. The next prime is 169040219. The reversal of 169040192 is 291040961.
169040192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1690401922 = 57149173022793728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169040191) 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, 335813 + ... + 336315.
It is an arithmetic number, because the mean of its divisors is an integer number (6172200).
Almost surely, 2169040192 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 169040192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172821600).
169040192 is an abundant number, since it is smaller than the sum of its proper divisors (176603008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169040192 is an equidigital number, since it uses as much as digits as its factorization.
169040192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663 (or 653 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 169040192 is about 13001.5457542555. The cubic root of 169040192 is about 552.9213067927.
The spelling of 169040192 in words is "one hundred sixty-nine million, forty thousand, one hundred ninety-two".
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