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381077 is a prime number
BaseRepresentation
bin1011101000010010101
3201100201222
41131002111
544143302
612100125
73145004
oct1350225
9640658
10381077
11240344
12164645
131045b8
149cc3b
1577da2
hex5d095

381077 has 2 divisors, whose sum is σ = 381078. Its totient is φ = 381076.

The previous prime is 381071. The next prime is 381097. The reversal of 381077 is 770183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192721 + 188356 = 439^2 + 434^2 .

It is an emirp because it is prime and its reverse (770183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381077 - 24 = 381061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190538 + 190539.

It is an arithmetic number, because the mean of its divisors is an integer number (190539).

2381077 is an apocalyptic number.

It is an amenable number.

381077 is a deficient number, since it is larger than the sum of its proper divisors (1).

381077 is an equidigital number, since it uses as much as digits as its factorization.

381077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 381077 is about 617.3143445604. The cubic root of 381077 is about 72.4999286563.

The spelling of 381077 in words is "three hundred eighty-one thousand, seventy-seven".