Base | Representation |
---|---|
bin | 10110101010001… |
… | …110010101110110 |
3 | 222111100111211100 |
4 | 112222032111312 |
5 | 1234310330132 |
6 | 101420150530 |
7 | 12264241116 |
oct | 2652162566 |
9 | 874314740 |
10 | 380167542 |
11 | 18565a557 |
12 | a7398446 |
13 | 609b9511 |
14 | 386c1046 |
15 | 2359737c |
hex | 16a8e576 |
380167542 has 48 divisors (see below), whose sum is σ = 870395760. Its totient is φ = 119589696.
The previous prime is 380167531. The next prime is 380167547. The reversal of 380167542 is 245761083.
It is a junction number, because it is equal to n+sod(n) for n = 380167497 and 380167506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380167547) 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, 92728 + ... + 96740.
It is an arithmetic number, because the mean of its divisors is an integer number (18133245).
Almost surely, 2380167542 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380167542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435197880).
380167542 is an abundant number, since it is smaller than the sum of its proper divisors (490228218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380167542 is a wasteful number, since it uses less digits than its factorization.
380167542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4317 (or 4314 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 380167542 is about 19497.8855776723. The cubic root of 380167542 is about 724.4220789592.
The spelling of 380167542 in words is "three hundred eighty million, one hundred sixty-seven thousand, five hundred forty-two".
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