Base | Representation |
---|---|
bin | 10100001001111… |
… | …00101101001000 |
3 | 102210010121121001 |
4 | 22010330231020 |
5 | 321240210014 |
6 | 24435424344 |
7 | 4122031441 |
oct | 1204745510 |
9 | 383117531 |
10 | 169069384 |
11 | 87487370 |
12 | 487550b4 |
13 | 29047873 |
14 | 186502c8 |
15 | ec99974 |
hex | a13cb48 |
169069384 has 32 divisors (see below), whose sum is σ = 349725600. Its totient is φ = 75982720.
The previous prime is 169069379. The next prime is 169069393. The reversal of 169069384 is 483960961.
It is a super-2 number, since 2×1690693842 = 57168913212278912, which contains 22 as substring.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 18625.
It is an arithmetic number, because the mean of its divisors is an integer number (10928925).
Almost surely, 2169069384 is an apocalyptic number.
It is an amenable number.
169069384 is an abundant number, since it is smaller than the sum of its proper divisors (180656216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169069384 is a wasteful number, since it uses less digits than its factorization.
169069384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21693 (or 21689 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 46.
The square root of 169069384 is about 13002.6683415367. The cubic root of 169069384 is about 552.9531334440.
The spelling of 169069384 in words is "one hundred sixty-nine million, sixty-nine thousand, three hundred eighty-four".
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