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42816223 = 1012231901
BaseRepresentation
bin1010001101010…
…1001011011111
32222120021211001
42203111023133
541430104343
64125411131
71026634432
oct243251337
988507731
1042816223
112219450a
1212409aa7
138b41658
145987819
153b5b44d
hex28d52df

42816223 has 8 divisors (see below), whose sum is σ = 43456896. Its totient is φ = 42180000.

The previous prime is 42816203. The next prime is 42816227. The reversal of 42816223 is 32261824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42816223 - 29 = 42815711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42816191 and 42816200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42816227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21573 + ... + 23473.

It is an arithmetic number, because the mean of its divisors is an integer number (5432112).

Almost surely, 242816223 is an apocalyptic number.

42816223 is a deficient number, since it is larger than the sum of its proper divisors (640673).

42816223 is a wasteful number, since it uses less digits than its factorization.

42816223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 4608, while the sum is 28.

The square root of 42816223 is about 6543.4106550025. The cubic root of 42816223 is about 349.8399894437.

The spelling of 42816223 in words is "forty-two million, eight hundred sixteen thousand, two hundred twenty-three".

Divisors: 1 101 223 1901 22523 192001 423923 42816223