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23228741 is a prime number
BaseRepresentation
bin101100010011…
…1000101000101
31121201010211202
41120213011011
521421304431
62145512245
7401304164
oct130470505
947633752
1023228741
1112126108
127942685
134a73c23
1431293db
15208c8cb
hex1627145

23228741 has 2 divisors, whose sum is σ = 23228742. Its totient is φ = 23228740.

The previous prime is 23228731. The next prime is 23228743. The reversal of 23228741 is 14782232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 940900 = 4721^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 23228741 - 26 = 23228677 is a prime.

It is a Sophie Germain prime.

Together with 23228743, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23228743) 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, 11614370 + 11614371.

It is an arithmetic number, because the mean of its divisors is an integer number (11614371).

Almost surely, 223228741 is an apocalyptic number.

It is an amenable number.

23228741 is a deficient number, since it is larger than the sum of its proper divisors (1).

23228741 is an equidigital number, since it uses as much as digits as its factorization.

23228741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 23228741 is about 4819.6204207385. The cubic root of 23228741 is about 285.3263564193.

The spelling of 23228741 in words is "twenty-three million, two hundred twenty-eight thousand, seven hundred forty-one".