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38885089 is a prime number
BaseRepresentation
bin1001010001010…
…1011011100001
32201011120022111
42110111123201
534423310324
63505235321
7651342415
oct224253341
981146274
1038885089
111aa49a41
1211032b41
138096239
145242d45
153631794
hex25156e1

38885089 has 2 divisors, whose sum is σ = 38885090. Its totient is φ = 38885088.

The previous prime is 38885087. The next prime is 38885149. The reversal of 38885089 is 98058883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23203489 + 15681600 = 4817^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 38885089 - 21 = 38885087 is a prime.

Together with 38885087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38885083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19442544 + 19442545.

It is an arithmetic number, because the mean of its divisors is an integer number (19442545).

Almost surely, 238885089 is an apocalyptic number.

It is an amenable number.

38885089 is a deficient number, since it is larger than the sum of its proper divisors (1).

38885089 is an equidigital number, since it uses as much as digits as its factorization.

38885089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 38885089 is about 6235.7909682734. The cubic root of 38885089 is about 338.7877504077.

The spelling of 38885089 in words is "thirty-eight million, eight hundred eighty-five thousand, eighty-nine".