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201033197 is a prime number
BaseRepresentation
bin10111111101110…
…00010111101101
3112000021112200222
423332320113231
5402431030242
631540501125
74660516421
oct1376702755
9460245628
10201033197
11a3529242
12573aa7a5
1332859671
141c9b0b81
15129b05d2
hexbfb85ed

201033197 has 2 divisors, whose sum is σ = 201033198. Its totient is φ = 201033196.

The previous prime is 201033139. The next prime is 201033223. The reversal of 201033197 is 791330102.

It is an a-pointer prime, because the next prime (201033223) can be obtained adding 201033197 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171374281 + 29658916 = 13091^2 + 5446^2 .

It is a cyclic number.

It is not a de Polignac number, because 201033197 - 28 = 201032941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201033797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100516598 + 100516599.

It is an arithmetic number, because the mean of its divisors is an integer number (100516599).

Almost surely, 2201033197 is an apocalyptic number.

It is an amenable number.

201033197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201033197 is an equidigital number, since it uses as much as digits as its factorization.

201033197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 201033197 is about 14178.6175983415. The cubic root of 201033197 is about 585.8088472888.

Adding to 201033197 its reverse (791330102), we get a palindrome (992363299).

The spelling of 201033197 in words is "two hundred one million, thirty-three thousand, one hundred ninety-seven".