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5206819 is a prime number
BaseRepresentation
bin10011110111001100100011
3100210112102011
4103313030203
52313104234
6303333351
762154142
oct23671443
910715364
105206819
112a36a62
1218b1257
131103c77
14997759
156ccb64
hex4f7323

5206819 has 2 divisors, whose sum is σ = 5206820. Its totient is φ = 5206818.

The previous prime is 5206793. The next prime is 5206823. The reversal of 5206819 is 9186025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5206819 - 25 = 5206787 is a prime.

It is a super-2 number, since 2×52068192 = 54221928197522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5206829) 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, 2603409 + 2603410.

It is an arithmetic number, because the mean of its divisors is an integer number (2603410).

Almost surely, 25206819 is an apocalyptic number.

5206819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206819 is an equidigital number, since it uses as much as digits as its factorization.

5206819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5206819 is about 2281.8455250082. The cubic root of 5206819 is about 173.3235172778.

The spelling of 5206819 in words is "five million, two hundred six thousand, eight hundred nineteen".