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38412893 = 107358999
BaseRepresentation
bin1001001010001…
…0001001011101
32200021120120202
42102202021131
534313203033
63451153245
7644334641
oct222421135
980246522
1038412893
111a7571a2
1210a45825
137c5c32c
14515cc21
15358b8e8
hex24a225d

38412893 has 4 divisors (see below), whose sum is σ = 38772000. Its totient is φ = 38053788.

The previous prime is 38412853. The next prime is 38412929. The reversal of 38412893 is 39821483.

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 38412893 - 28 = 38412637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38412823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179393 + ... + 179606.

It is an arithmetic number, because the mean of its divisors is an integer number (9693000).

Almost surely, 238412893 is an apocalyptic number.

It is an amenable number.

38412893 is a deficient number, since it is larger than the sum of its proper divisors (359107).

38412893 is a wasteful number, since it uses less digits than its factorization.

38412893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359106.

The product of its digits is 41472, while the sum is 38.

The square root of 38412893 is about 6197.8135660893. The cubic root of 38412893 is about 337.4108201503.

The spelling of 38412893 in words is "thirty-eight million, four hundred twelve thousand, eight hundred ninety-three".

Divisors: 1 107 358999 38412893