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42544103 = 72978951
BaseRepresentation
bin1010001001001…
…0101111100111
32222001110112112
42202102233213
541342402403
64115511235
71024422200
oct242225747
988043475
1042544103
1122019018
12122b851b
138a77834
1459165a7
153b059d8
hex2892be7

42544103 has 12 divisors (see below), whose sum is σ = 50005872. Its totient is φ = 36086400.

The previous prime is 42544091. The next prime is 42544109. The reversal of 42544103 is 30144524.

It is not a de Polignac number, because 42544103 - 24 = 42544087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544109) 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, 278 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (4167156).

Almost surely, 242544103 is an apocalyptic number.

42544103 is a deficient number, since it is larger than the sum of its proper divisors (7461769).

42544103 is an equidigital number, since it uses as much as digits as its factorization.

42544103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062 (or 9055 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42544103 is about 6522.5840738161. The cubic root of 42544103 is about 349.0972736737.

Adding to 42544103 its reverse (30144524), we get a palindrome (72688627).

The spelling of 42544103 in words is "forty-two million, five hundred forty-four thousand, one hundred three".

Divisors: 1 7 49 97 679 4753 8951 62657 438599 868247 6077729 42544103