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38058047 = 97392351
BaseRepresentation
bin1001000100101…
…1100000111111
32122121112211022
42101023200333
534220324142
63435414355
7641326256
oct221134077
978545738
1038058047
111a534635
12108b43bb
137b66971
1450a979d
15351b6d2
hex244b83f

38058047 has 4 divisors (see below), whose sum is σ = 38450496. Its totient is φ = 37665600.

The previous prime is 38058037. The next prime is 38058067. The reversal of 38058047 is 74085083.

38058047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74085083 = 132755829.

It is a cyclic number.

It is not a de Polignac number, because 38058047 - 28 = 38057791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38057998 and 38058016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38058037) 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 in 3 ways as a sum of consecutive naturals, for example, 196079 + ... + 196272.

It is an arithmetic number, because the mean of its divisors is an integer number (9612624).

Almost surely, 238058047 is an apocalyptic number.

38058047 is a deficient number, since it is larger than the sum of its proper divisors (392449).

38058047 is an equidigital number, since it uses as much as digits as its factorization.

38058047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392448.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 38058047 is about 6169.1204397386. The cubic root of 38058047 is about 336.3686400677.

The spelling of 38058047 in words is "thirty-eight million, fifty-eight thousand, forty-seven".

Divisors: 1 97 392351 38058047