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6423387 = 319112691
BaseRepresentation
bin11000100000001101011011
3110002100020020
4120200031123
53121022022
6345401523
7105412035
oct30401533
913070206
106423387
113697a93
1221992a3
13143b929
14bd2c55
1586d35c
hex62035b

6423387 has 8 divisors (see below), whose sum is σ = 9015360. Its totient is φ = 4056840.

The previous prime is 6423377. The next prime is 6423401. The reversal of 6423387 is 7833246.

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

It is not a de Polignac number, because 6423387 - 211 = 6421339 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6423387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6423337) 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, 56289 + ... + 56402.

It is an arithmetic number, because the mean of its divisors is an integer number (1126920).

Almost surely, 26423387 is an apocalyptic number.

6423387 is a deficient number, since it is larger than the sum of its proper divisors (2591973).

6423387 is a wasteful number, since it uses less digits than its factorization.

6423387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112713.

The product of its digits is 24192, while the sum is 33.

The square root of 6423387 is about 2534.4401748710. The cubic root of 6423387 is about 185.8894301790.

The spelling of 6423387 in words is "six million, four hundred twenty-three thousand, three hundred eighty-seven".

Divisors: 1 3 19 57 112691 338073 2141129 6423387