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38381713 is a prime number
BaseRepresentation
bin1001001001101…
…0100010010001
32200012222210221
42102122202101
534311203323
63450353041
7644145016
oct222324221
980188727
1038381713
111a735827
1210a2b781
137c4b096
14515170d
15358255d
hex249a891

38381713 has 2 divisors, whose sum is σ = 38381714. Its totient is φ = 38381712.

The previous prime is 38381711. The next prime is 38381723. The reversal of 38381713 is 31718383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34187409 + 4194304 = 5847^2 + 2048^2 .

It is an emirp because it is prime and its reverse (31718383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38381713 - 21 = 38381711 is a prime.

Together with 38381711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38381711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190856 + 19190857.

It is an arithmetic number, because the mean of its divisors is an integer number (19190857).

Almost surely, 238381713 is an apocalyptic number.

It is an amenable number.

38381713 is a deficient number, since it is larger than the sum of its proper divisors (1).

38381713 is an equidigital number, since it uses as much as digits as its factorization.

38381713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 38381713 is about 6195.2976522521. The cubic root of 38381713 is about 337.3195025714.

The spelling of 38381713 in words is "thirty-eight million, three hundred eighty-one thousand, seven hundred thirteen".