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38233213 is a prime number
BaseRepresentation
bin1001000111011…
…0010001111101
32122221110002221
42101312101331
534241430323
63443245341
7642656044
oct221662175
978843087
1038233213
111a6441a7
1210979851
137bc8605
14511355b
15355355d
hex247647d

38233213 has 2 divisors, whose sum is σ = 38233214. Its totient is φ = 38233212.

The previous prime is 38233189. The next prime is 38233219. The reversal of 38233213 is 31233283.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34539129 + 3694084 = 5877^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 38233213 - 225 = 4678781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38233219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19116606 + 19116607.

It is an arithmetic number, because the mean of its divisors is an integer number (19116607).

Almost surely, 238233213 is an apocalyptic number.

It is an amenable number.

38233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

38233213 is an equidigital number, since it uses as much as digits as its factorization.

38233213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 38233213 is about 6183.3011409764. The cubic root of 38233213 is about 336.8839072158.

Adding to 38233213 its reverse (31233283), we get a palindrome (69466496).

The spelling of 38233213 in words is "thirty-eight million, two hundred thirty-three thousand, two hundred thirteen".