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387269 is a prime number
BaseRepresentation
bin1011110100011000101
3201200020022
41132203011
544343034
612144525
73202031
oct1364305
9650208
10387269
11244a63
12168145
1310736c
14a11c1
1579b2e
hex5e8c5

387269 has 2 divisors, whose sum is σ = 387270. Its totient is φ = 387268.

The previous prime is 387263. The next prime is 387281. The reversal of 387269 is 962783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 56644 = 575^2 + 238^2 .

It is an emirp because it is prime and its reverse (962783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387269 - 24 = 387253 is a prime.

It is a super-2 number, since 2×3872692 = 299954556722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193634 + 193635.

It is an arithmetic number, because the mean of its divisors is an integer number (193635).

2387269 is an apocalyptic number.

It is an amenable number.

387269 is a deficient number, since it is larger than the sum of its proper divisors (1).

387269 is an equidigital number, since it uses as much as digits as its factorization.

387269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 387269 is about 622.3094085742. The cubic root of 387269 is about 72.8904969853.

It can be divided in two parts, 387 and 269, that added together give a palindrome (656).

The spelling of 387269 in words is "three hundred eighty-seven thousand, two hundred sixty-nine".