| Base | Representation |
|---|---|
| bin | 10110101010101… |
| … | …001110101000100 |
| 3 | 222111120020021100 |
| 4 | 112222221311010 |
| 5 | 1234322431012 |
| 6 | 101422420100 |
| 7 | 12265220301 |
| oct | 2652516504 |
| 9 | 874506240 |
| 10 | 380280132 |
| 11 | 185727101 |
| 12 | a7431630 |
| 13 | 60a2883b |
| 14 | 387100a8 |
| 15 | 235ba8dc |
| hex | 16aa9d44 |
380280132 has 108 divisors (see below), whose sum is σ = 1023242220. Its totient is φ = 118935936.
The previous prime is 380280119. The next prime is 380280133. The reversal of 380280132 is 231082083.
380280132 is a `hidden beast` number, since 380 + 280 + 1 + 3 + 2 = 666.
380280132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 307791936 + 72488196 = 17544^2 + 8514^2 .
It is a super-2 number, since 2×3802801322 = 289225957587874848, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 380280096 and 380280105.
It is not an unprimeable number, because it can be changed into a prime (380280133) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1930258 + ... + 1930454.
It is an arithmetic number, because the mean of its divisors is an integer number (9474465).
Almost surely, 2380280132 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 380280132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511621110).
380280132 is an abundant number, since it is smaller than the sum of its proper divisors (642962088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380280132 is a wasteful number, since it uses less digits than its factorization.
380280132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 274 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 380280132 is about 19500.7726000792. The cubic root of 380280132 is about 724.4935865818.
The spelling of 380280132 in words is "three hundred eighty million, two hundred eighty thousand, one hundred thirty-two".
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