Search a number
-
+
201752149 is a prime number
BaseRepresentation
bin11000000011001…
…11111001010101
3112001122001220211
430001213321111
5403122032044
632004125421
74666602454
oct1401477125
9461561824
10201752149
11a397a415
1257696871
1332a4b991
141cb1ab9b
1512aa3634
hexc067e55

201752149 has 2 divisors, whose sum is σ = 201752150. Its totient is φ = 201752148.

The previous prime is 201752147. The next prime is 201752171. The reversal of 201752149 is 941257102.

201752149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147258225 + 54493924 = 12135^2 + 7382^2 .

It is a cyclic number.

It is not a de Polignac number, because 201752149 - 21 = 201752147 is a prime.

It is a super-2 number, since 2×2017521492 = 81407859252236402, which contains 22 as substring.

Together with 201752147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201752149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201752147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100876074 + 100876075.

It is an arithmetic number, because the mean of its divisors is an integer number (100876075).

Almost surely, 2201752149 is an apocalyptic number.

It is an amenable number.

201752149 is a deficient number, since it is larger than the sum of its proper divisors (1).

201752149 is an equidigital number, since it uses as much as digits as its factorization.

201752149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 201752149 is about 14203.9483595231. The cubic root of 201752149 is about 586.5063562426.

The spelling of 201752149 in words is "two hundred one million, seven hundred fifty-two thousand, one hundred forty-nine".