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542286 = 23247641
BaseRepresentation
bin10000100011001001110
31000112212200
42010121032
5114323121
615342330
74416003
oct2043116
91015780
10542286
11340478
122219a6
1315caa4
141018aa
15aaa26
hex8464e

542286 has 24 divisors (see below), whose sum is σ = 1201824. Its totient is φ = 176640.

The previous prime is 542281. The next prime is 542293. The reversal of 542286 is 682245.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (50076).

2542286 is an apocalyptic number.

542286 is an abundant number, since it is smaller than the sum of its proper divisors (659538).

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

542286 is a wasteful number, since it uses less digits than its factorization.

542286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 542286 is about 736.4007061376. The cubic root of 542286 is about 81.5472770726.

It can be divided in two parts, 542 and 286, that added together give a palindrome (828).

The spelling of 542286 in words is "five hundred forty-two thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 641 846 1282 1923 3846 5769 11538 30127 60254 90381 180762 271143 542286