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23530093 is a prime number
BaseRepresentation
bin101100111000…
…0101001101101
31122021110012221
41121300221231
522010430333
62200155341
7404000566
oct131605155
948243187
1023530093
1112311564
127a68b51
134b4b142
1431a716d
1520ebd2d
hex1670a6d

23530093 has 2 divisors, whose sum is σ = 23530094. Its totient is φ = 23530092.

The previous prime is 23530069. The next prime is 23530121. The reversal of 23530093 is 39003532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 316969 = 4818^2 + 563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23530093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23530043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765046 + 11765047.

It is an arithmetic number, because the mean of its divisors is an integer number (11765047).

Almost surely, 223530093 is an apocalyptic number.

It is an amenable number.

23530093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23530093 is an equidigital number, since it uses as much as digits as its factorization.

23530093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 23530093 is about 4850.7827203452. The cubic root of 23530093 is about 286.5549277571.

The spelling of 23530093 in words is "twenty-three million, five hundred thirty thousand, ninety-three".