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307093 is a prime number
BaseRepresentation
bin1001010111110010101
3120121020211
41022332111
534311333
610325421
72416213
oct1127625
9517224
10307093
1119a7a6
12129871
13a9a17
147dcb3
1560ecd
hex4af95

307093 has 2 divisors, whose sum is σ = 307094. Its totient is φ = 307092.

The previous prime is 307091. The next prime is 307103. The reversal of 307093 is 390703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178929 + 128164 = 423^2 + 358^2 .

It is an emirp because it is prime and its reverse (390703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 307093 - 21 = 307091 is a prime.

It is a super-2 number, since 2×3070932 = 188612221298, which contains 22 as substring.

Together with 307091, it forms a pair of twin primes.

307093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153546 + 153547.

It is an arithmetic number, because the mean of its divisors is an integer number (153547).

2307093 is an apocalyptic number.

It is an amenable number.

307093 is a deficient number, since it is larger than the sum of its proper divisors (1).

307093 is an equidigital number, since it uses as much as digits as its factorization.

307093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 307093 is about 554.1597242673. The cubic root of 307093 is about 67.4667783478.

Adding to 307093 its reverse (390703), we get a palindrome (697796).

The spelling of 307093 in words is "three hundred seven thousand, ninety-three".