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38746313 = 295313121
BaseRepresentation
bin1001001111001…
…1100011001001
32200220111221122
42103303203021
534404340223
63502245025
7650224004
oct223634311
980814848
1038746313
111a964751
1210b86775
138048018
14520853b
1536055c8
hex24f38c9

38746313 has 4 divisors (see below), whose sum is σ = 38762388. Its totient is φ = 38730240.

The previous prime is 38746297. The next prime is 38746321. The reversal of 38746313 is 31364783.

It is a happy number.

38746313 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.

It can be written as a sum of positive squares in 2 ways, for example, as 18207289 + 20539024 = 4267^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 38746313 - 24 = 38746297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38706313) 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, 3608 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (9690597).

Almost surely, 238746313 is an apocalyptic number.

It is an amenable number.

38746313 is a deficient number, since it is larger than the sum of its proper divisors (16075).

38746313 is a wasteful number, since it uses less digits than its factorization.

38746313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074.

The product of its digits is 36288, while the sum is 35.

The square root of 38746313 is about 6224.6536449830. The cubic root of 38746313 is about 338.3842396863.

The spelling of 38746313 in words is "thirty-eight million, seven hundred forty-six thousand, three hundred thirteen".

Divisors: 1 2953 13121 38746313