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38674009 = 113515819
BaseRepresentation
bin1001001110000…
…1111001011001
32200202211202201
42103201321121
534400032014
63500530201
7646503133
oct223417131
980684681
1038674009
111a9153a0
1210b50961
13802113a
1451ca053
1535dde74
hex24e1e59

38674009 has 4 divisors (see below), whose sum is σ = 42189840. Its totient is φ = 35158180.

The previous prime is 38674003. The next prime is 38674021. The reversal of 38674009 is 90047683.

38674009 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, and also an emirpimes, since its reverse is a distinct semiprime: 90047683 = 118186153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38674009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38674003) 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, 1757899 + ... + 1757920.

It is an arithmetic number, because the mean of its divisors is an integer number (10547460).

Almost surely, 238674009 is an apocalyptic number.

It is an amenable number.

38674009 is a deficient number, since it is larger than the sum of its proper divisors (3515831).

38674009 is a wasteful number, since it uses less digits than its factorization.

38674009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515830.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 38674009 is about 6218.8430596052. The cubic root of 38674009 is about 338.1736237863.

The spelling of 38674009 in words is "thirty-eight million, six hundred seventy-four thousand, nine".

Divisors: 1 11 3515819 38674009