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7213033 is a prime number
BaseRepresentation
bin11011100000111111101001
3111120110102101
4123200333221
53321304113
6414333401
7115211152
oct33407751
914513371
107213033
114087293
1224ba261
131657189
14d5a929
159772dd
hex6e0fe9

7213033 has 2 divisors, whose sum is σ = 7213034. Its totient is φ = 7213032.

The previous prime is 7213021. The next prime is 7213061. The reversal of 7213033 is 3303127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4678569 + 2534464 = 2163^2 + 1592^2 .

It is an emirp because it is prime and its reverse (3303127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7213033 - 217 = 7081961 is a prime.

It is an Ulam number.

7213033 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7213033.

It is not a weakly prime, because it can be changed into another prime (7213133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606516 + 3606517.

It is an arithmetic number, because the mean of its divisors is an integer number (3606517).

Almost surely, 27213033 is an apocalyptic number.

It is an amenable number.

7213033 is a deficient number, since it is larger than the sum of its proper divisors (1).

7213033 is an equidigital number, since it uses as much as digits as its factorization.

7213033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 7213033 is about 2685.7090311499. The cubic root of 7213033 is about 193.2143180166.

The spelling of 7213033 in words is "seven million, two hundred thirteen thousand, thirty-three".