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2152369 is a prime number
BaseRepresentation
bin1000001101011110110001
311001100111101
420031132301
51022333434
6114044401
724203062
oct10153661
94040441
102152369
11124011a
12879701
135a48bb
14400569
152c7b14
hex20d7b1

2152369 has 2 divisors, whose sum is σ = 2152370. Its totient is φ = 2152368.

The previous prime is 2152357. The next prime is 2152373. The reversal of 2152369 is 9632512.

2152369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 35344 = 1455^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152369 - 221 = 55217 is a prime.

It is a super-2 number, since 2×21523692 = 9265384624322, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2152309) 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, 1076184 + 1076185.

It is an arithmetic number, because the mean of its divisors is an integer number (1076185).

22152369 is an apocalyptic number.

It is an amenable number.

2152369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152369 is an equidigital number, since it uses as much as digits as its factorization.

2152369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 2152369 is about 1467.0954297523. The cubic root of 2152369 is about 129.1136750138.

The spelling of 2152369 in words is "two million, one hundred fifty-two thousand, three hundred sixty-nine".