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219025201 is a prime number
BaseRepresentation
bin11010000111000…
…00111100110001
3120021010122002111
431003200330301
5422032301301
633422245321
75266453303
oct1503407461
9507118074
10219025201
111026a796a
1261426841
13364b8b15
1421135973
1514366551
hexd0e0f31

219025201 has 2 divisors, whose sum is σ = 219025202. Its totient is φ = 219025200.

The previous prime is 219025189. The next prime is 219025223. The reversal of 219025201 is 102520912.

It is an a-pointer prime, because the next prime (219025223) can be obtained adding 219025201 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179586801 + 39438400 = 13401^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 219025201 - 27 = 219025073 is a prime.

It is the 14800-th Hogben number.

It is equal to p12071830 and since 219025201 and 12071830 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (219025231) by changing a digit.

It is a nontrivial repunit in base 14799.

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, 109512600 + 109512601.

It is an arithmetic number, because the mean of its divisors is an integer number (109512601).

Almost surely, 2219025201 is an apocalyptic number.

It is an amenable number.

219025201 is a deficient number, since it is larger than the sum of its proper divisors (1).

219025201 is an equidigital number, since it uses as much as digits as its factorization.

219025201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 219025201 is about 14799.5000253387. The cubic root of 219025201 is about 602.7881357997.

The spelling of 219025201 in words is "two hundred nineteen million, twenty-five thousand, two hundred one".