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6379428 = 22311311559
BaseRepresentation
bin11000010101011110100100
3110000002221010
4120111132210
53113120203
6344422220
7105136626
oct30253644
913002833
106379428
113667a60
122177970
131424913
14bc0c16
15860303
hex6157a4

6379428 has 48 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 1869600.

The previous prime is 6379427. The next prime is 6379433. The reversal of 6379428 is 8249736.

It is not an unprimeable number, because it can be changed into a prime (6379423) 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 15 ways as a sum of consecutive naturals, for example, 3313 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

Almost surely, 26379428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6379428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8386560).

6379428 is an abundant number, since it is smaller than the sum of its proper divisors (10393692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6379428 is a wasteful number, since it uses less digits than its factorization.

6379428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1606 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 6379428 is about 2525.7529570407. The cubic root of 6379428 is about 185.4644090556.

The spelling of 6379428 in words is "six million, three hundred seventy-nine thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 1559 2046 3118 4092 4677 6236 9354 17149 18708 34298 48329 51447 68596 96658 102894 144987 193316 205788 289974 531619 579948 1063238 1594857 2126476 3189714 6379428