| Base | Representation |
|---|---|
| bin | 10110001011010… |
| … | …01000001100000 |
| 3 | 110222001012121200 |
| 4 | 23011221001200 |
| 5 | 340110400003 |
| 6 | 30243121200 |
| 7 | 4416133026 |
| oct | 1305510140 |
| 9 | 428035550 |
| 10 | 186028128 |
| 11 | 9600a760 |
| 12 | 52373200 |
| 13 | 2c704920 |
| 14 | 1a9c6716 |
| 15 | 114e96a3 |
| hex | b169060 |
186028128 has 144 divisors (see below), whose sum is σ = 621640656. Its totient is φ = 52024320.
The previous prime is 186028123. The next prime is 186028153. The reversal of 186028128 is 821820681.
186028128 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 (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 186028092 and 186028101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (186028123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38926 + ... + 43442.
It is an arithmetic number, because the mean of its divisors is an integer number (4316949).
Almost surely, 2186028128 is an apocalyptic number.
186028128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 186028128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310820328).
186028128 is an abundant number, since it is smaller than the sum of its proper divisors (435612528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
186028128 is a wasteful number, since it uses less digits than its factorization.
186028128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4557 (or 4546 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 186028128 is about 13639.2128805148. The cubic root of 186028128 is about 570.8555204665.
The spelling of 186028128 in words is "one hundred eighty-six million, twenty-eight thousand, one hundred twenty-eight".
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