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38214817 is a prime number
BaseRepresentation
bin1001000111000…
…1110010100001
32122220111212121
42101301302201
534240333232
63443024241
7642551314
oct221616241
978814777
1038214817
111a6313a3
121096b081
137bc0124
14510a97b
15354cd97
hex2471ca1

38214817 has 2 divisors, whose sum is σ = 38214818. Its totient is φ = 38214816.

The previous prime is 38214811. The next prime is 38214851. The reversal of 38214817 is 71841283.

It is a happy number.

It is an a-pointer prime, because the next prime (38214851) can be obtained adding 38214817 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25796241 + 12418576 = 5079^2 + 3524^2 .

It is a cyclic number.

It is not a de Polignac number, because 38214817 - 219 = 37690529 is a prime.

It is not a weakly prime, because it can be changed into another prime (38214811) 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, 19107408 + 19107409.

It is an arithmetic number, because the mean of its divisors is an integer number (19107409).

Almost surely, 238214817 is an apocalyptic number.

It is an amenable number.

38214817 is a deficient number, since it is larger than the sum of its proper divisors (1).

38214817 is an equidigital number, since it uses as much as digits as its factorization.

38214817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 38214817 is about 6181.8134070837. The cubic root of 38214817 is about 336.8298677208.

The spelling of 38214817 in words is "thirty-eight million, two hundred fourteen thousand, eight hundred seventeen".