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42479650 = 252849593
BaseRepresentation
bin1010001000001…
…1000000100010
32221221012010101
42202003000202
541333322100
64114253014
71024033243
oct242030042
987835111
1042479650
1121a84654
121228716a
138a543b5
1458dacca
153ae186a
hex2883022

42479650 has 12 divisors (see below), whose sum is σ = 79012242. Its totient is φ = 16991840.

The previous prime is 42479627. The next prime is 42479669. The reversal of 42479650 is 5697424.

It can be written as a sum of positive squares in 3 ways, for example, as 22382361 + 20097289 = 4731^2 + 4483^2 .

It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 424747 + ... + 424846.

Almost surely, 242479650 is an apocalyptic number.

42479650 is a deficient number, since it is larger than the sum of its proper divisors (36532592).

42479650 is a wasteful number, since it uses less digits than its factorization.

42479650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849605 (or 849600 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 42479650 is about 6517.6414445718. The cubic root of 42479650 is about 348.9208940502.

The spelling of 42479650 in words is "forty-two million, four hundred seventy-nine thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 849593 1699186 4247965 8495930 21239825 42479650