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4540230197 is a prime number
BaseRepresentation
bin1000011101001111…
…00110101000110101
3102201102020120221222
410032213212220311
533244244331242
62030304520125
7220340214506
oct41647465065
912642216858
104540230197
111a1a929168
12a68620045
13574821059
14310dbcbad
151b88d85d2
hex10e9e6a35

4540230197 has 2 divisors, whose sum is σ = 4540230198. Its totient is φ = 4540230196.

The previous prime is 4540230193. The next prime is 4540230203. The reversal of 4540230197 is 7910320454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2645456356 + 1894773841 = 51434^2 + 43529^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540230197 - 22 = 4540230193 is a prime.

It is a super-2 number, since 2×45402301972 = 41227380483501317618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540230193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270115098 + 2270115099.

It is an arithmetic number, because the mean of its divisors is an integer number (2270115099).

Almost surely, 24540230197 is an apocalyptic number.

It is an amenable number.

4540230197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540230197 is an equidigital number, since it uses as much as digits as its factorization.

4540230197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 4540230197 is about 67381.2303019172. The cubic root of 4540230197 is about 1655.8689311663.

The spelling of 4540230197 in words is "four billion, five hundred forty million, two hundred thirty thousand, one hundred ninety-seven".