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612288953 is a prime number
BaseRepresentation
bin100100011111101…
…100100110111001
31120200010111112122
4210133230212321
52223221221303
6140431251025
721113240663
oct4437544671
91520114478
10612288953
11294691831
12151079a75
1399b0c273
145b465533
1538b48e38
hex247ec9b9

612288953 has 2 divisors, whose sum is σ = 612288954. Its totient is φ = 612288952.

The previous prime is 612288883. The next prime is 612288973. The reversal of 612288953 is 359882216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 576624169 + 35664784 = 24013^2 + 5972^2 .

It is a cyclic number.

It is not a de Polignac number, because 612288953 - 214 = 612272569 is a prime.

It is not a weakly prime, because it can be changed into another prime (612288973) 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, 306144476 + 306144477.

It is an arithmetic number, because the mean of its divisors is an integer number (306144477).

Almost surely, 2612288953 is an apocalyptic number.

It is an amenable number.

612288953 is a deficient number, since it is larger than the sum of its proper divisors (1).

612288953 is an equidigital number, since it uses as much as digits as its factorization.

612288953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 612288953 is about 24744.4731808944. The cubic root of 612288953 is about 849.1520739165.

The spelling of 612288953 in words is "six hundred twelve million, two hundred eighty-eight thousand, nine hundred fifty-three".