Search a number
-
+
152122769 is a prime number
BaseRepresentation
bin10010001000100…
…11010110010001
3101121020122012122
421010103112101
5302420412034
623032304025
73525010421
oct1104232621
9347218178
10152122769
11789620a7
1242b42015
1325693196
14162bc481
15d54d62e
hex9113591

152122769 has 2 divisors, whose sum is σ = 152122770. Its totient is φ = 152122768.

The previous prime is 152122753. The next prime is 152122801. The reversal of 152122769 is 967221251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124032769 + 28090000 = 11137^2 + 5300^2 .

It is an emirp because it is prime and its reverse (967221251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152122769 - 24 = 152122753 is a prime.

It is a super-2 number, since 2×1521227692 = 46282673696454722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152122169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76061384 + 76061385.

It is an arithmetic number, because the mean of its divisors is an integer number (76061385).

Almost surely, 2152122769 is an apocalyptic number.

It is an amenable number.

152122769 is a deficient number, since it is larger than the sum of its proper divisors (1).

152122769 is an equidigital number, since it uses as much as digits as its factorization.

152122769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 152122769 is about 12333.8059413954. The cubic root of 152122769 is about 533.8239739736.

The spelling of 152122769 in words is "one hundred fifty-two million, one hundred twenty-two thousand, seven hundred sixty-nine".