Base | Representation |
---|---|
bin | 10110101100110… |
… | …000011111100101 |
3 | 222112121020220102 |
4 | 112230300133211 |
5 | 1234443103332 |
6 | 101442313445 |
7 | 12303005360 |
oct | 2654603745 |
9 | 875536812 |
10 | 380831717 |
11 | 185a73562 |
12 | a7658885 |
13 | 60b8c916 |
14 | 388150d7 |
15 | 23679062 |
hex | 16b307e5 |
380831717 has 8 divisors (see below), whose sum is σ = 441366912. Its totient is φ = 321829200.
The previous prime is 380831663. The next prime is 380831753. The reversal of 380831717 is 717138083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 380831717 - 210 = 380830693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380831777) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382634 + ... + 383627.
It is an arithmetic number, because the mean of its divisors is an integer number (55170864).
Almost surely, 2380831717 is an apocalyptic number.
It is an amenable number.
380831717 is a deficient number, since it is larger than the sum of its proper divisors (60535195).
380831717 is an equidigital number, since it uses as much as digits as its factorization.
380831717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766339.
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 380831717 is about 19514.9101202132. The cubic root of 380831717 is about 724.8437028117.
The spelling of 380831717 in words is "three hundred eighty million, eight hundred thirty-one thousand, seven hundred seventeen".
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