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380917 is a prime number
BaseRepresentation
bin1011100111111110101
3201100112001
41130333311
544142132
612055301
73144355
oct1347765
9640461
10380917
11240209
12164531
131044c4
149cb65
1577ce7
hex5cff5

380917 has 2 divisors, whose sum is σ = 380918. Its totient is φ = 380916.

The previous prime is 380909. The next prime is 380929. The reversal of 380917 is 719083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 111556 = 519^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 380917 - 23 = 380909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190458 + 190459.

It is an arithmetic number, because the mean of its divisors is an integer number (190459).

2380917 is an apocalyptic number.

It is an amenable number.

380917 is a deficient number, since it is larger than the sum of its proper divisors (1).

380917 is an equidigital number, since it uses as much as digits as its factorization.

380917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 380917 is about 617.1847373356. The cubic root of 380917 is about 72.4897805651.

The spelling of 380917 in words is "three hundred eighty thousand, nine hundred seventeen".