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542488 = 23194383
BaseRepresentation
bin10000100011100011000
31000120011011
42010130120
5114324423
615343304
74416412
oct2043430
91016134
10542488
11340641
12221b34
1315cbcb
141019b2
15aab0d
hex84718

542488 has 32 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 247968.

The previous prime is 542483. The next prime is 542489. The reversal of 542488 is 884245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542483) by changing a digit.

542488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 6495 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2542488 is an apocalyptic number.

It is an amenable number.

542488 is an abundant number, since it is smaller than the sum of its proper divisors (566312).

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

542488 is a wasteful number, since it uses less digits than its factorization.

542488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 542488 is about 736.5378469570. The cubic root of 542488 is about 81.5574011923.

The spelling of 542488 in words is "five hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 19 38 43 76 83 86 152 166 172 332 344 664 817 1577 1634 3154 3268 3569 6308 6536 7138 12616 14276 28552 67811 135622 271244 542488