Search a number
-
+
1152649 is a prime number
BaseRepresentation
bin100011001011010001001
32011120010201
410121122021
5243341044
640412201
712540331
oct4313211
92146121
101152649
11718003
12477061
13314854
142200c1
1517b7d4
hex119689

1152649 has 2 divisors, whose sum is σ = 1152650. Its totient is φ = 1152648.

The previous prime is 1152643. The next prime is 1152653. The reversal of 1152649 is 9462511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 480249 = 820^2 + 693^2 .

It is an emirp because it is prime and its reverse (9462511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152649 - 217 = 1021577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1152643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576324 + 576325.

It is an arithmetic number, because the mean of its divisors is an integer number (576325).

21152649 is an apocalyptic number.

It is an amenable number.

1152649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152649 is an equidigital number, since it uses as much as digits as its factorization.

1152649 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1152649 is about 1073.6149216549. The cubic root of 1152649 is about 104.8493379658.

The spelling of 1152649 in words is "one million, one hundred fifty-two thousand, six hundred forty-nine".