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38193863 is a prime number
BaseRepresentation
bin1001000110110…
…0101011000111
32122212110010112
42101230223013
534234200423
63442343235
7642433241
oct221545307
978773115
1038193863
111a617684
121095ab1b
137bb3726
145103091
153546a78
hex246cac7

38193863 has 2 divisors, whose sum is σ = 38193864. Its totient is φ = 38193862.

The previous prime is 38193851. The next prime is 38193889. The reversal of 38193863 is 36839183.

38193863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38193863 - 220 = 37145287 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38193863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38193803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19096931 + 19096932.

It is an arithmetic number, because the mean of its divisors is an integer number (19096932).

Almost surely, 238193863 is an apocalyptic number.

38193863 is a deficient number, since it is larger than the sum of its proper divisors (1).

38193863 is an equidigital number, since it uses as much as digits as its factorization.

38193863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 38193863 is about 6180.1183645623. The cubic root of 38193863 is about 336.7682927960.

The spelling of 38193863 in words is "thirty-eight million, one hundred ninety-three thousand, eight hundred sixty-three".