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42420363 = 341353977
BaseRepresentation
bin1010000111010…
…0100010001011
32221211011210120
42201310202023
541324422423
64113114323
71023365346
oct241644213
987734716
1042420363
1121a44057
12122589a3
138a3340b
1458c345d
153acdee3
hex287488b

42420363 has 16 divisors (see below), whose sum is σ = 58163616. Its totient is φ = 27484160.

The previous prime is 42420311. The next prime is 42420377. The reversal of 42420363 is 36302424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42420363 - 29 = 42419851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42421363) 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, 42931 + ... + 43907.

It is an arithmetic number, because the mean of its divisors is an integer number (3635226).

Almost surely, 242420363 is an apocalyptic number.

42420363 is a deficient number, since it is larger than the sum of its proper divisors (15743253).

42420363 is a wasteful number, since it uses less digits than its factorization.

42420363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42420363 is about 6513.0916621832. The cubic root of 42420363 is about 348.7584939029.

Adding to 42420363 its reverse (36302424), we get a palindrome (78722787).

The spelling of 42420363 in words is "forty-two million, four hundred twenty thousand, three hundred sixty-three".

Divisors: 1 3 41 123 353 977 1059 2931 14473 40057 43419 120171 344881 1034643 14140121 42420363