Base | Representation |
---|---|
bin | 10110101010010… |
… | …011010001110000 |
3 | 222111101112120011 |
4 | 112222103101300 |
5 | 1234312002020 |
6 | 101420424304 |
7 | 12264354061 |
oct | 2652232160 |
9 | 874345504 |
10 | 380187760 |
11 | 185673767 |
12 | a73a8094 |
13 | 609c5794 |
14 | 386c8568 |
15 | 2359d35a |
hex | 16a93470 |
380187760 has 20 divisors (see below), whose sum is σ = 883936728. Its totient is φ = 152075072.
The previous prime is 380187757. The next prime is 380187761. The reversal of 380187760 is 67781083.
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380187761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376094 + ... + 2376253.
Almost surely, 2380187760 is an apocalyptic number.
It is an amenable number.
380187760 is an abundant number, since it is smaller than the sum of its proper divisors (503748968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380187760 is a wasteful number, since it uses less digits than its factorization.
380187760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4752360 (or 4752354 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 380187760 is about 19498.4040372539. The cubic root of 380187760 is about 724.4349207586.
The spelling of 380187760 in words is "three hundred eighty million, one hundred eighty-seven thousand, seven hundred sixty".
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