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386149 is a prime number
BaseRepresentation
bin1011110010001100101
3201121200211
41132101211
544324044
612135421
73165541
oct1362145
9647624
10386149
11244135
12167571
131069ba
14a0a21
1579634
hex5e465

386149 has 2 divisors, whose sum is σ = 386150. Its totient is φ = 386148.

The previous prime is 386143. The next prime is 386153. The reversal of 386149 is 941683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 4225 = 618^2 + 65^2 .

It is an emirp because it is prime and its reverse (941683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386149 - 25 = 386117 is a prime.

It is a super-2 number, since 2×3861492 = 298222100402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193074 + 193075.

It is an arithmetic number, because the mean of its divisors is an integer number (193075).

2386149 is an apocalyptic number.

It is an amenable number.

386149 is a deficient number, since it is larger than the sum of its proper divisors (1).

386149 is an equidigital number, since it uses as much as digits as its factorization.

386149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 386149 is about 621.4088831035. The cubic root of 386149 is about 72.8201615655.

It can be divided in two parts, 386 and 149, that added together give a palindrome (535).

The spelling of 386149 in words is "three hundred eighty-six thousand, one hundred forty-nine".