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38982569 is a prime number
BaseRepresentation
bin1001010010110…
…1001110101001
32201100112000212
42110231032221
534434420234
63511310505
7652226543
oct224551651
981315025
1038982569
11200061aa
121107b435
1380cb712
14526a693
1536505ce
hex252d3a9

38982569 has 2 divisors, whose sum is σ = 38982570. Its totient is φ = 38982568.

The previous prime is 38982563. The next prime is 38982577. The reversal of 38982569 is 96528983.

38982569 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 can be written as a sum of positive squares in only one way, i.e., 37982569 + 1000000 = 6163^2 + 1000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38982569 is a prime.

It is a super-2 number, since 2×389825692 = 3039281371679522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38982563) 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, 19491284 + 19491285.

It is an arithmetic number, because the mean of its divisors is an integer number (19491285).

Almost surely, 238982569 is an apocalyptic number.

It is an amenable number.

38982569 is a deficient number, since it is larger than the sum of its proper divisors (1).

38982569 is an equidigital number, since it uses as much as digits as its factorization.

38982569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 38982569 is about 6243.6022454990. The cubic root of 38982569 is about 339.0706135189.

The spelling of 38982569 in words is "thirty-eight million, nine hundred eighty-two thousand, five hundred sixty-nine".