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386129 is a prime number
BaseRepresentation
bin1011110010001010001
3201121200002
41132101101
544324004
612135345
73165512
oct1362121
9647602
10386129
11244117
12167555
131069a3
14a0a09
157961e
hex5e451

386129 has 2 divisors, whose sum is σ = 386130. Its totient is φ = 386128.

The previous prime is 386119. The next prime is 386131. The reversal of 386129 is 921683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 49729 = 580^2 + 223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-386129 is a prime.

Together with 386131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193064 + 193065.

It is an arithmetic number, because the mean of its divisors is an integer number (193065).

2386129 is an apocalyptic number.

It is an amenable number.

386129 is a deficient number, since it is larger than the sum of its proper divisors (1).

386129 is an equidigital number, since it uses as much as digits as its factorization.

386129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 386129 is about 621.3927904313. The cubic root of 386129 is about 72.8189043407.

It can be divided in two parts, 386 and 129, that multiplied together give a palindrome (49794).

The spelling of 386129 in words is "three hundred eighty-six thousand, one hundred twenty-nine".