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42284863 is a prime number
BaseRepresentation
bin1010000101001…
…1011100111111
32221120021221001
42201103130333
541311103423
64110151131
71022262325
oct241233477
987507831
1042284863
1121961275
12121b24a7
1389b683a
145889d15
153aa3cad
hex285373f

42284863 has 2 divisors, whose sum is σ = 42284864. Its totient is φ = 42284862.

The previous prime is 42284857. The next prime is 42284897. The reversal of 42284863 is 36848224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42284863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42284843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21142431 + 21142432.

It is an arithmetic number, because the mean of its divisors is an integer number (21142432).

Almost surely, 242284863 is an apocalyptic number.

42284863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42284863 is an equidigital number, since it uses as much as digits as its factorization.

42284863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 37.

The square root of 42284863 is about 6502.6812162369. The cubic root of 42284863 is about 348.3867606263.

The spelling of 42284863 in words is "forty-two million, two hundred eighty-four thousand, eight hundred sixty-three".