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3872393 = 72272437
BaseRepresentation
bin1110110001011010001001
321021201220222
432301122021
51442404033
6214555425
744625530
oct16613211
97251828
103872393
112205428
121368b75
13a57775
1472b317
15517598
hex3b1689

3872393 has 8 divisors (see below), whose sum is σ = 4446912. Its totient is φ = 3303216.

The previous prime is 3872389. The next prime is 3872417. The reversal of 3872393 is 3932783.

3872393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3872393 - 22 = 3872389 is a prime.

It is a d-powerful number, because it can be written as 37 + 83 + 73 + 221 + 311 + 93 + 313 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872293) 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 7 ways as a sum of consecutive naturals, for example, 371 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (555864).

Almost surely, 23872393 is an apocalyptic number.

It is an amenable number.

3872393 is a deficient number, since it is larger than the sum of its proper divisors (574519).

3872393 is a wasteful number, since it uses less digits than its factorization.

3872393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 27216, while the sum is 35.

The square root of 3872393 is about 1967.8396784291. The cubic root of 3872393 is about 157.0338007201.

The spelling of 3872393 in words is "three million, eight hundred seventy-two thousand, three hundred ninety-three".

Divisors: 1 7 227 1589 2437 17059 553199 3872393