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3886993 = 11449787
BaseRepresentation
bin1110110100111110010001
321022110221201
432310332101
51443340433
6215151201
745016225
oct16647621
97273851
103886993
1122153a0
121375501
13a612c6
14732785
1551ba7d
hex3b4f91

3886993 has 8 divisors (see below), whose sum is σ = 4255200. Its totient is φ = 3521280.

The previous prime is 3886991. The next prime is 3887003. The reversal of 3886993 is 3996883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3886993 - 21 = 3886991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3886991) 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 7 ways as a sum of consecutive naturals, for example, 4546 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (531900).

Almost surely, 23886993 is an apocalyptic number.

It is an amenable number.

3886993 is a deficient number, since it is larger than the sum of its proper divisors (368207).

3886993 is a wasteful number, since it uses less digits than its factorization.

3886993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its digits is 279936, while the sum is 46.

The square root of 3886993 is about 1971.5458401975. The cubic root of 3886993 is about 157.2309069321.

It can be divided in two parts, 388 and 6993, that added together give a triangular number (7381 = T121).

The spelling of 3886993 in words is "three million, eight hundred eighty-six thousand, nine hundred ninety-three".

Divisors: 1 11 449 787 4939 8657 353363 3886993