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42227863 = 130732309
BaseRepresentation
bin1010000100010…
…1100010010111
32221110101201221
42201011202113
541302242423
64105031211
71021634206
oct241054227
987411657
1042227863
1121922467
1212185507
138996902
14587323d
153a91e5d
hex2845897

42227863 has 4 divisors (see below), whose sum is σ = 42261480. Its totient is φ = 42194248.

The previous prime is 42227833. The next prime is 42227869. The reversal of 42227863 is 36872224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42227863 - 25 = 42227831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42227869) 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 3 ways as a sum of consecutive naturals, for example, 14848 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (10565370).

Almost surely, 242227863 is an apocalyptic number.

42227863 is a deficient number, since it is larger than the sum of its proper divisors (33617).

42227863 is a wasteful number, since it uses less digits than its factorization.

42227863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33616.

The product of its digits is 32256, while the sum is 34.

The square root of 42227863 is about 6498.2969307350. The cubic root of 42227863 is about 348.2301484369.

The spelling of 42227863 in words is "forty-two million, two hundred twenty-seven thousand, eight hundred sixty-three".

Divisors: 1 1307 32309 42227863