Base | Representation |
---|---|
bin | 10110101011111… |
… | …000000100111111 |
3 | 222112011111220222 |
4 | 112223320010333 |
5 | 1234413210024 |
6 | 101433331555 |
7 | 12301023566 |
oct | 2653700477 |
9 | 875144828 |
10 | 380600639 |
11 | 185925991 |
12 | a7566bbb |
13 | 60b0b6a3 |
14 | 38794bdd |
15 | 2363085e |
hex | 16af813f |
380600639 has 4 divisors (see below), whose sum is σ = 380687256. Its totient is φ = 380514024.
The previous prime is 380600617. The next prime is 380600707. The reversal of 380600639 is 936006083.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936006083 = 5591 ⋅167413.
It is a cyclic number.
It is not a de Polignac number, because 380600639 - 224 = 363823423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 380600599 and 380600608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380608639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36344 + ... + 45629.
It is an arithmetic number, because the mean of its divisors is an integer number (95171814).
Almost surely, 2380600639 is an apocalyptic number.
380600639 is a deficient number, since it is larger than the sum of its proper divisors (86617).
380600639 is an equidigital number, since it uses as much as digits as its factorization.
380600639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86616.
The product of its (nonzero) digits is 23328, while the sum is 35.
The square root of 380600639 is about 19508.9886718917. The cubic root of 380600639 is about 724.6970682097.
The spelling of 380600639 in words is "three hundred eighty million, six hundred thousand, six hundred thirty-nine".
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