Base | Representation |
---|---|
bin | 10110101010001… |
… | …110001000100101 |
3 | 222111100110122220 |
4 | 112222032020211 |
5 | 1234310313233 |
6 | 101420142553 |
7 | 12264235464 |
oct | 2652161045 |
9 | 874313586 |
10 | 380166693 |
11 | 185659955 |
12 | a7397a59 |
13 | 609b900a |
14 | 386c09db |
15 | 23596eb3 |
hex | 16a8e225 |
380166693 has 8 divisors (see below), whose sum is σ = 509999328. Its totient is φ = 251889264.
The previous prime is 380166653. The next prime is 380166707. The reversal of 380166693 is 396661083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 380166693 - 26 = 380166629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380166653) 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 7 ways as a sum of consecutive naturals, for example, 388230 + ... + 389207.
It is an arithmetic number, because the mean of its divisors is an integer number (63749916).
Almost surely, 2380166693 is an apocalyptic number.
It is an amenable number.
380166693 is a deficient number, since it is larger than the sum of its proper divisors (129832635).
380166693 is a wasteful number, since it uses less digits than its factorization.
380166693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777603.
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 380166693 is about 19497.8638060686. The cubic root of 380166693 is about 724.4215396928.
The spelling of 380166693 in words is "three hundred eighty million, one hundred sixty-six thousand, six hundred ninety-three".
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