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42544068 = 2237571887
BaseRepresentation
bin1010001001001…
…0101111000100
32222001110111020
42202102233010
541342402233
64115511140
71024422120
oct242225704
988043436
1042544068
1122018a96
12122b84b0
138a77808
145916580
153b059b3
hex2892bc4

42544068 has 48 divisors (see below), whose sum is σ = 113777664. Its totient is φ = 12120480.

The previous prime is 42544067. The next prime is 42544079. The reversal of 42544068 is 86044524.

It is not an unprimeable number, because it can be changed into a prime (42544063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47521 + ... + 48407.

It is an arithmetic number, because the mean of its divisors is an integer number (2370368).

Almost surely, 242544068 is an apocalyptic number.

It is an amenable number.

42544068 is an abundant number, since it is smaller than the sum of its proper divisors (71233596).

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

42544068 is a wasteful number, since it uses less digits than its factorization.

42544068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 42544068 is about 6522.5813908299. The cubic root of 42544068 is about 349.0971779424.

The spelling of 42544068 in words is "forty-two million, five hundred forty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 571 887 1142 1713 1774 2284 2661 3426 3548 3997 5322 6209 6852 7994 10644 11991 12418 15988 18627 23982 24836 37254 47964 74508 506477 1012954 1519431 2025908 3038862 3545339 6077724 7090678 10636017 14181356 21272034 42544068