Base | Representation |
---|---|
bin | 10110101010110… |
… | …011001011111101 |
3 | 222111122011211221 |
4 | 112222303023331 |
5 | 1234330142321 |
6 | 101423313341 |
7 | 12265440115 |
oct | 2652631375 |
9 | 874564757 |
10 | 380318461 |
11 | 185752986 |
12 | a744b851 |
13 | 60a40113 |
14 | 38720045 |
15 | 235c6e41 |
hex | 16ab32fd |
380318461 has 4 divisors (see below), whose sum is σ = 380424924. Its totient is φ = 380212000.
The previous prime is 380318453. The next prime is 380318489. The reversal of 380318461 is 164813083.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 292615236 + 87703225 = 17106^2 + 9365^2 .
It is a cyclic number.
It is not a de Polignac number, because 380318461 - 23 = 380318453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380318401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47680 + ... + 55081.
It is an arithmetic number, because the mean of its divisors is an integer number (95106231).
Almost surely, 2380318461 is an apocalyptic number.
It is an amenable number.
380318461 is a deficient number, since it is larger than the sum of its proper divisors (106463).
380318461 is a wasteful number, since it uses less digits than its factorization.
380318461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106462.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 380318461 is about 19501.7553312516. The cubic root of 380318461 is about 724.5179266927.
The spelling of 380318461 in words is "three hundred eighty million, three hundred eighteen thousand, four hundred sixty-one".
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