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542584 = 2379689
BaseRepresentation
bin10000100011101111000
31000120021201
42010131320
5114330314
615343544
74416610
oct2043570
91016251
10542584
11340719
12221bb4
1315cc73
14101a40
15aab74
hex84778

542584 has 16 divisors (see below), whose sum is σ = 1162800. Its totient is φ = 232512.

The previous prime is 542579. The next prime is 542587. The reversal of 542584 is 485245.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542587) by changing a digit.

542584 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789 + ... + 4900.

It is an arithmetic number, because the mean of its divisors is an integer number (72675).

2542584 is an apocalyptic number.

It is an amenable number.

542584 is an abundant number, since it is smaller than the sum of its proper divisors (620216).

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

542584 is a wasteful number, since it uses less digits than its factorization.

542584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702 (or 9698 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 542584 is about 736.6030138412. The cubic root of 542584 is about 81.5622117741.

The spelling of 542584 in words is "five hundred forty-two thousand, five hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 9689 19378 38756 67823 77512 135646 271292 542584