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284269 is a prime number
BaseRepresentation
bin1000101011001101101
3112102221111
41011121231
533044034
610032021
72262526
oct1053155
9472844
10284269
11184637
12118611
139c50b
147584d
1559364
hex4566d

284269 has 2 divisors, whose sum is σ = 284270. Its totient is φ = 284268.

The previous prime is 284267. The next prime is 284293. The reversal of 284269 is 962482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 19044 = 515^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 284269 - 21 = 284267 is a prime.

It is a super-2 number, since 2×2842692 = 161617728722, which contains 22 as substring.

Together with 284267, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 284269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142134 + 142135.

It is an arithmetic number, because the mean of its divisors is an integer number (142135).

2284269 is an apocalyptic number.

It is an amenable number.

284269 is a deficient number, since it is larger than the sum of its proper divisors (1).

284269 is an equidigital number, since it uses as much as digits as its factorization.

284269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 284269 is about 533.1688287963. The cubic root of 284269 is about 65.7521311843.

The spelling of 284269 in words is "two hundred eighty-four thousand, two hundred sixty-nine".