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201050389 is a prime number
BaseRepresentation
bin10111111101111…
…00100100010101
3112000022102021201
423332330210111
5402432103024
631541112501
74660620511
oct1376744425
9460272251
10201050389
11a3540151
12573b8731
1332864437
141c9b7141
15129b5744
hexbfbc915

201050389 has 2 divisors, whose sum is σ = 201050390. Its totient is φ = 201050388.

The previous prime is 201050387. The next prime is 201050401. The reversal of 201050389 is 983050102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109369764 + 91680625 = 10458^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 201050389 - 21 = 201050387 is a prime.

Together with 201050387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201050387) 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, 100525194 + 100525195.

It is an arithmetic number, because the mean of its divisors is an integer number (100525195).

Almost surely, 2201050389 is an apocalyptic number.

It is an amenable number.

201050389 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050389 is an equidigital number, since it uses as much as digits as its factorization.

201050389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 201050389 is about 14179.2238504087. The cubic root of 201050389 is about 585.8255459217.

The spelling of 201050389 in words is "two hundred one million, fifty thousand, three hundred eighty-nine".