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104222891 is a prime number
BaseRepresentation
bin1100011011001…
…01000010101011
321021010001221002
412031211002223
5203140113031
614201505215
72403610553
oct615450253
9237101832
10104222891
1153916223
122aaa220b
1318791966
14dbb0163
15923accb
hex63650ab

104222891 has 2 divisors, whose sum is σ = 104222892. Its totient is φ = 104222890.

The previous prime is 104222843. The next prime is 104222941. The reversal of 104222891 is 198222401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104222891 - 210 = 104221867 is a prime.

It is a super-2 number, since 2×1042228912 = 21724822016795762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104222791) 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, 52111445 + 52111446.

It is an arithmetic number, because the mean of its divisors is an integer number (52111446).

Almost surely, 2104222891 is an apocalyptic number.

104222891 is a deficient number, since it is larger than the sum of its proper divisors (1).

104222891 is an equidigital number, since it uses as much as digits as its factorization.

104222891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 104222891 is about 10208.9613085759. The cubic root of 104222891 is about 470.6026538116.

The spelling of 104222891 in words is "one hundred four million, two hundred twenty-two thousand, eight hundred ninety-one".