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38793313 = 132984101
BaseRepresentation
bin1001001111111…
…1000001100001
32200222220102101
42103333001201
534412341223
63503250401
7650511016
oct223770141
980886371
1038793313
111a996a99
1210ba9a01
138063530
14521b70d
1536144ad
hex24ff061

38793313 has 4 divisors (see below), whose sum is σ = 41777428. Its totient is φ = 35809200.

The previous prime is 38793311. The next prime is 38793317. The reversal of 38793313 is 31339783.

38793313 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 5419584 + 33373729 = 2328^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 38793313 - 21 = 38793311 is a prime.

It is a super-2 number, since 2×387933132 = 3009842267031938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38793311) 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, 1492038 + ... + 1492063.

It is an arithmetic number, because the mean of its divisors is an integer number (10444357).

Almost surely, 238793313 is an apocalyptic number.

It is an amenable number.

38793313 is a deficient number, since it is larger than the sum of its proper divisors (2984115).

38793313 is a wasteful number, since it uses less digits than its factorization.

38793313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984114.

The product of its digits is 40824, while the sum is 37.

The square root of 38793313 is about 6228.4278112538. The cubic root of 38793313 is about 338.5210065313.

The spelling of 38793313 in words is "thirty-eight million, seven hundred ninety-three thousand, three hundred thirteen".

Divisors: 1 13 2984101 38793313