Base | Representation |
---|---|
bin | 10110101010001… |
… | …101001010110010 |
3 | 222111100021020102 |
4 | 112222031022302 |
5 | 1234310201423 |
6 | 101420112402 |
7 | 12264221114 |
oct | 2652151262 |
9 | 874307212 |
10 | 380162738 |
11 | 18565698a |
12 | a7395702 |
13 | 609b7287 |
14 | 386bd3b4 |
15 | 23595c28 |
hex | 16a8d2b2 |
380162738 has 18 divisors (see below), whose sum is σ = 606508893. Its totient is φ = 178679520.
The previous prime is 380162737. The next prime is 380162749. The reversal of 380162738 is 837261083.
It is a happy number.
380162738 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 347934409 + 32228329 = 18653^2 + 5677^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=13787.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380162737) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 468353 + ... + 469163.
Almost surely, 2380162738 is an apocalyptic number.
380162738 is a deficient number, since it is larger than the sum of its proper divisors (226346155).
380162738 is an frugal number, since it uses more digits than its factorization.
380162738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1658 (or 830 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 380162738 is about 19497.7623844379. The cubic root of 380162738 is about 724.4190275517.
The spelling of 380162738 in words is "three hundred eighty million, one hundred sixty-two thousand, seven hundred thirty-eight".
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