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7369421 is a prime number
BaseRepresentation
bin11100000111001011001101
3111212101221112
4130013023031
53341310141
6421541405
7116432123
oct34071315
914771845
107369421
114183834
122574865
1316b0407
14d9b913
159a87eb
hex7072cd

7369421 has 2 divisors, whose sum is σ = 7369422. Its totient is φ = 7369420.

The previous prime is 7369399. The next prime is 7369441. The reversal of 7369421 is 1249637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 346921 = 2650^2 + 589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7369421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7369441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3684710 + 3684711.

It is an arithmetic number, because the mean of its divisors is an integer number (3684711).

Almost surely, 27369421 is an apocalyptic number.

It is an amenable number.

7369421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7369421 is an equidigital number, since it uses as much as digits as its factorization.

7369421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 7369421 is about 2714.6677513095. The cubic root of 7369421 is about 194.6007258650.

The spelling of 7369421 in words is "seven million, three hundred sixty-nine thousand, four hundred twenty-one".