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543428 = 221031319
BaseRepresentation
bin10000100101011000100
31000121102222
42010223010
5114342203
615351512
74422224
oct2045304
91017388
10543428
11341316
12222598
13160472
14102084
15ab038
hex84ac4

543428 has 12 divisors (see below), whose sum is σ = 960960. Its totient is φ = 268872.

The previous prime is 543427. The next prime is 543463. The reversal of 543428 is 824345.

It is a junction number, because it is equal to n+sod(n) for n = 543397 and 543406.

It is not an unprimeable number, because it can be changed into a prime (543427) 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 3 ways as a sum of consecutive naturals, for example, 248 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

2543428 is an apocalyptic number.

It is an amenable number.

543428 is a deficient number, since it is larger than the sum of its proper divisors (417532).

543428 is a wasteful number, since it uses less digits than its factorization.

543428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 543428 is about 737.1756914061. The cubic root of 543428 is about 81.6044804025.

The spelling of 543428 in words is "five hundred forty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 103 206 412 1319 2638 5276 135857 271714 543428