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38336913 = 324790631
BaseRepresentation
bin1001001000111…
…1100110010001
32200010201100200
42102033212101
534303240123
63445405413
7643600266
oct222174621
980121320
1038336913
111a7050aa
1210a09869
137c33884
14513d26d
153574143
hex248f991

38336913 has 12 divisors (see below), whose sum is σ = 56554368. Its totient is φ = 25013880.

The previous prime is 38336911. The next prime is 38336917. The reversal of 38336913 is 31963383.

It is not a de Polignac number, because 38336913 - 21 = 38336911 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38336911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44893 + ... + 45738.

It is an arithmetic number, because the mean of its divisors is an integer number (4712864).

Almost surely, 238336913 is an apocalyptic number.

It is an amenable number.

38336913 is a deficient number, since it is larger than the sum of its proper divisors (18217455).

38336913 is a wasteful number, since it uses less digits than its factorization.

38336913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90684 (or 90681 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 38336913 is about 6191.6809510827. The cubic root of 38336913 is about 337.1882091680.

The spelling of 38336913 in words is "thirty-eight million, three hundred thirty-six thousand, nine hundred thirteen".

Divisors: 1 3 9 47 141 423 90631 271893 815679 4259657 12778971 38336913