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38863387 is a prime number
BaseRepresentation
bin1001010001000…
…0001000011011
32201010110112201
42110100020123
534422112022
63504551031
7651222223
oct224201033
981113481
1038863387
111aa34702
1211022477
1380893b4
145239083
15362a127
hex251021b

38863387 has 2 divisors, whose sum is σ = 38863388. Its totient is φ = 38863386.

The previous prime is 38863381. The next prime is 38863403. The reversal of 38863387 is 78336883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38863387 - 219 = 38339099 is a prime.

It is a super-2 number, since 2×388633872 = 3020725698223538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38863381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19431693 + 19431694.

It is an arithmetic number, because the mean of its divisors is an integer number (19431694).

Almost surely, 238863387 is an apocalyptic number.

38863387 is a deficient number, since it is larger than the sum of its proper divisors (1).

38863387 is an equidigital number, since it uses as much as digits as its factorization.

38863387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 38863387 is about 6234.0506093550. The cubic root of 38863387 is about 338.7247121912.

The spelling of 38863387 in words is "thirty-eight million, eight hundred sixty-three thousand, three hundred eighty-seven".