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42563044 = 2210640761
BaseRepresentation
bin1010001001011…
…1010111100100
32222002102112001
42202113113210
541344004134
64120135044
71024531336
oct242272744
988072461
1042563044
1122031277
1212307484
138a83344
14591d456
153b0b414
hex28975e4

42563044 has 6 divisors (see below), whose sum is σ = 74485334. Its totient is φ = 21281520.

The previous prime is 42563029. The next prime is 42563047. The reversal of 42563044 is 44036524.

42563044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 8340544 = 5850^2 + 2888^2 .

It is a super-2 number, since 2×425630442 = 3623225429091872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42563047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320377 + ... + 5320384.

Almost surely, 242563044 is an apocalyptic number.

It is an amenable number.

42563044 is a deficient number, since it is larger than the sum of its proper divisors (31922290).

42563044 is a wasteful number, since it uses less digits than its factorization.

42563044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640765 (or 10640763 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 42563044 is about 6524.0358674673. The cubic root of 42563044 is about 349.1490730220.

Adding to 42563044 its reverse (44036524), we get a palindrome (86599568).

The spelling of 42563044 in words is "forty-two million, five hundred sixty-three thousand, forty-four".

Divisors: 1 2 4 10640761 21281522 42563044