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6381039 = 37303859
BaseRepresentation
bin11000010101110111101111
3110000012010210
4120111313233
53113143124
6344433503
7105144420
oct30256757
913005123
106381039
113669195
122178893
131425582
14bc1647
15860a29
hex615def

6381039 has 8 divisors (see below), whose sum is σ = 9723520. Its totient is φ = 3646296.

The previous prime is 6381031. The next prime is 6381047. The reversal of 6381039 is 9301836.

It is an interprime number because it is at equal distance from previous prime (6381031) and next prime (6381047).

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

It is not a de Polignac number, because 6381039 - 23 = 6381031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6380997 and 6381015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151909 + ... + 151950.

It is an arithmetic number, because the mean of its divisors is an integer number (1215440).

Almost surely, 26381039 is an apocalyptic number.

6381039 is a deficient number, since it is larger than the sum of its proper divisors (3342481).

6381039 is a wasteful number, since it uses less digits than its factorization.

6381039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303869.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6381039 is about 2526.0718517097. The cubic root of 6381039 is about 185.4800195469.

The spelling of 6381039 in words is "six million, three hundred eighty-one thousand, thirty-nine".

Divisors: 1 3 7 21 303859 911577 2127013 6381039