Search a number
-
+
2915149 is a prime number
BaseRepresentation
bin1011000111101101001101
312111002211111
423013231031
51221241044
6142252021
733530656
oct13075515
95432744
102915149
111711216
12b87011
137b0b53
1455c52d
153c8b34
hex2c7b4d

2915149 has 2 divisors, whose sum is σ = 2915150. Its totient is φ = 2915148.

The previous prime is 2915137. The next prime is 2915161. The reversal of 2915149 is 9415192.

It is a balanced prime because it is at equal distance from previous prime (2915137) and next prime (2915161).

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 59049 = 1690^2 + 243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2915149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2915149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2915849) by changing a digit.

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, 1457574 + 1457575.

It is an arithmetic number, because the mean of its divisors is an integer number (1457575).

22915149 is an apocalyptic number.

It is an amenable number.

2915149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915149 is an equidigital number, since it uses as much as digits as its factorization.

2915149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 2915149 is about 1707.3807425410. The cubic root of 2915149 is about 142.8521954001.

The spelling of 2915149 in words is "two million, nine hundred fifteen thousand, one hundred forty-nine".