Base | Representation |
---|---|
bin | 10110101011001… |
… | …000110100011100 |
3 | 222111210200101200 |
4 | 112223020310130 |
5 | 1234341011233 |
6 | 101425235500 |
7 | 12266256336 |
oct | 2653106434 |
9 | 874720350 |
10 | 380407068 |
11 | 185803508 |
12 | a7492b90 |
13 | 60a71552 |
14 | 38744456 |
15 | 235e3313 |
hex | 16ac8d1c |
380407068 has 36 divisors (see below), whose sum is σ = 983950968. Its totient is φ = 123852960.
The previous prime is 380407067. The next prime is 380407073. The reversal of 380407068 is 860704083.
380407068 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 (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380407067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121323 + ... + 124418.
Almost surely, 2380407068 is an apocalyptic number.
It is an amenable number.
380407068 is an abundant number, since it is smaller than the sum of its proper divisors (603543900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380407068 is a wasteful number, since it uses less digits than its factorization.
380407068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245794 (or 245789 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 380407068 is about 19504.0269688083. The cubic root of 380407068 is about 724.5741886430.
The spelling of 380407068 in words is "three hundred eighty million, four hundred seven thousand, sixty-eight".
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