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199882901 is a prime number
BaseRepresentation
bin10111110100111…
…11100010010101
3111221010002210102
423322133202111
5402132223101
631500103445
74644655661
oct1372374225
9457102712
10199882901
11a2912a89
1256b34b85
1332545c0a
141c7918a1
151283486b
hexbe9f895

199882901 has 2 divisors, whose sum is σ = 199882902. Its totient is φ = 199882900.

The previous prime is 199882897. The next prime is 199882937. The reversal of 199882901 is 109288991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136282276 + 63600625 = 11674^2 + 7975^2 .

It is a cyclic number.

It is not a de Polignac number, because 199882901 - 22 = 199882897 is a prime.

It is a super-2 number, since 2×1998829012 = 79906348224351602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199882961) 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, 99941450 + 99941451.

It is an arithmetic number, because the mean of its divisors is an integer number (99941451).

Almost surely, 2199882901 is an apocalyptic number.

It is an amenable number.

199882901 is a deficient number, since it is larger than the sum of its proper divisors (1).

199882901 is an equidigital number, since it uses as much as digits as its factorization.

199882901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 199882901 is about 14137.9949427067. The cubic root of 199882901 is about 584.6893921761.

The spelling of 199882901 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, nine hundred one".