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6428832 = 253167401
BaseRepresentation
bin11000100001100010100000
3110002121200220
4120201202200
53121210312
6345443040
7105433644
oct30414240
913077626
106428832
1136a1093
1221a0480
131441257
14bd4c24
1586ec8c
hex6218a0

6428832 has 48 divisors (see below), whose sum is σ = 17019072. Its totient is φ = 2124800.

The previous prime is 6428827. The next prime is 6428833. The reversal of 6428832 is 2388246.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6428793 and 6428802.

It is not an unprimeable number, because it can be changed into a prime (6428833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15832 + ... + 16232.

It is an arithmetic number, because the mean of its divisors is an integer number (354564).

Almost surely, 26428832 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 6428832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8509536).

6428832 is an abundant number, since it is smaller than the sum of its proper divisors (10590240).

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

6428832 is a wasteful number, since it uses less digits than its factorization.

6428832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 573 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 6428832 is about 2535.5141490435. The cubic root of 6428832 is about 185.9419404867.

It can be divided in two parts, 6428 and 832, that added together give a triangular number (7260 = T120).

The spelling of 6428832 in words is "six million, four hundred twenty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 167 334 401 501 668 802 1002 1203 1336 1604 2004 2406 2672 3208 4008 4812 5344 6416 8016 9624 12832 16032 19248 38496 66967 133934 200901 267868 401802 535736 803604 1071472 1607208 2142944 3214416 6428832