Base | Representation |
---|---|
bin | 10011100100001… |
… | …10100001110100 |
3 | 102102211121111120 |
4 | 21302012201310 |
5 | 314004111014 |
6 | 24141503540 |
7 | 4032033603 |
oct | 1162064164 |
9 | 372747446 |
10 | 164128884 |
11 | 84712507 |
12 | 46b71bb0 |
13 | 28007baa |
14 | 17b25a3a |
15 | e620ba9 |
hex | 9c86874 |
164128884 has 24 divisors (see below), whose sum is σ = 386359680. Its totient is φ = 54225024.
The previous prime is 164128879. The next prime is 164128919. The reversal of 164128884 is 488821461.
It is a super-3 number, since 3×1641288843 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
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, 59164 + ... + 61875.
It is an arithmetic number, because the mean of its divisors is an integer number (16098320).
Almost surely, 2164128884 is an apocalyptic number.
It is an amenable number.
164128884 is an abundant number, since it is smaller than the sum of its proper divisors (222230796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164128884 is a wasteful number, since it uses less digits than its factorization.
164128884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121159 (or 121157 counting only the distinct ones).
The product of its digits is 98304, while the sum is 42.
The square root of 164128884 is about 12811.2795613865. The cubic root of 164128884 is about 547.5137187197.
The spelling of 164128884 in words is "one hundred sixty-four million, one hundred twenty-eight thousand, eight hundred eighty-four".
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