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38056909 = 113459719
BaseRepresentation
bin1001000100101…
…1001111001101
32122121111021011
42101023033031
534220310114
63435405221
7641323042
oct221131715
978544234
1038056909
111a5337a0
12108b3811
137b662a7
1450a91c9
15351b1c4
hex244b3cd

38056909 has 4 divisors (see below), whose sum is σ = 41516640. Its totient is φ = 34597180.

The previous prime is 38056877. The next prime is 38056913. The reversal of 38056909 is 90965083.

38056909 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38056909 - 25 = 38056877 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38056939) 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, 1729849 + ... + 1729870.

It is an arithmetic number, because the mean of its divisors is an integer number (10379160).

Almost surely, 238056909 is an apocalyptic number.

It is an amenable number.

38056909 is a deficient number, since it is larger than the sum of its proper divisors (3459731).

38056909 is a wasteful number, since it uses less digits than its factorization.

38056909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459730.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 38056909 is about 6169.0282054794. The cubic root of 38056909 is about 336.3652873704.

The spelling of 38056909 in words is "thirty-eight million, fifty-six thousand, nine hundred nine".

Divisors: 1 11 3459719 38056909