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220005829 is a prime number
BaseRepresentation
bin11010001110100…
…00010111000101
3120022222110021001
431013100113011
5422310141304
633455253301
75311006261
oct1507202705
9508873231
10220005829
111032076aa
126181a231
1336770284
142130d0a1
15144abda4
hexd1d05c5

220005829 has 2 divisors, whose sum is σ = 220005830. Its totient is φ = 220005828.

The previous prime is 220005817. The next prime is 220005847. The reversal of 220005829 is 928500022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215296929 + 4708900 = 14673^2 + 2170^2 .

It is a cyclic number.

It is not a de Polignac number, because 220005829 - 27 = 220005701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220005797 and 220005806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220005899) 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, 110002914 + 110002915.

It is an arithmetic number, because the mean of its divisors is an integer number (110002915).

Almost surely, 2220005829 is an apocalyptic number.

It is an amenable number.

220005829 is a deficient number, since it is larger than the sum of its proper divisors (1).

220005829 is an equidigital number, since it uses as much as digits as its factorization.

220005829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 220005829 is about 14832.5934684397. The cubic root of 220005829 is about 603.6864052342.

The spelling of 220005829 in words is "two hundred twenty million, five thousand, eight hundred twenty-nine".