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7230548189 is a prime number
BaseRepresentation
bin1101011101111100…
…10110100011011101
3200122220112220110002
412232332112203131
5104302010020224
63153251424045
7344115434264
oct65676264335
920586486402
107230548189
113080501967
1214995b5025
138b2cc78a7
144c84115db
152c4ba99ae
hex1aef968dd

7230548189 has 2 divisors, whose sum is σ = 7230548190. Its totient is φ = 7230548188.

The previous prime is 7230548131. The next prime is 7230548201. The reversal of 7230548189 is 9818450327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4245564964 + 2984983225 = 65158^2 + 54635^2 .

It is a cyclic number.

It is not a de Polignac number, because 7230548189 - 212 = 7230544093 is a prime.

It is a super-2 number, since 2×72305481892 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain 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 (7230548119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615274094 + 3615274095.

It is an arithmetic number, because the mean of its divisors is an integer number (3615274095).

Almost surely, 27230548189 is an apocalyptic number.

It is an amenable number.

7230548189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7230548189 is an equidigital number, since it uses as much as digits as its factorization.

7230548189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 7230548189 is about 85032.6301427870. The cubic root of 7230548189 is about 1933.7058375343.

The spelling of 7230548189 in words is "seven billion, two hundred thirty million, five hundred forty-eight thousand, one hundred eighty-nine".