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7238897 is a prime number
BaseRepresentation
bin11011100111010011110001
3111121202220022
4123213103301
53323121042
6415053225
7115346441
oct33472361
914552808
107238897
1140a4766
122511215
131665b93
14d66121
1597ecd2
hex6e74f1

7238897 has 2 divisors, whose sum is σ = 7238898. Its totient is φ = 7238896.

The previous prime is 7238879. The next prime is 7238909. The reversal of 7238897 is 7988327.

It is a happy number.

Together with previous prime (7238879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 274576 = 2639^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 7238897 - 210 = 7237873 is a prime.

It is not a weakly prime, because it can be changed into another prime (7238827) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619448 + 3619449.

It is an arithmetic number, because the mean of its divisors is an integer number (3619449).

Almost surely, 27238897 is an apocalyptic number.

It is an amenable number.

7238897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7238897 is an equidigital number, since it uses as much as digits as its factorization.

7238897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 7238897 is about 2690.5198382469. The cubic root of 7238897 is about 193.4449807630. Note that the first 3 decimals are identical.

The spelling of 7238897 in words is "seven million, two hundred thirty-eight thousand, eight hundred ninety-seven".