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42283321 = 199212479
BaseRepresentation
bin1010000101001…
…1000100111001
32221120012210221
42201103010321
541311031241
64110140041
71022254663
oct241230471
987505727
1042283321
11219600a3
12121b1621
1389b5c22
145889533
153aa35d1
hex2853139

42283321 has 4 divisors (see below), whose sum is σ = 42496000. Its totient is φ = 42070644.

The previous prime is 42283291. The next prime is 42283331. The reversal of 42283321 is 12338224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42283321 - 25 = 42283289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42283331) 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, 106041 + ... + 106438.

It is an arithmetic number, because the mean of its divisors is an integer number (10624000).

Almost surely, 242283321 is an apocalyptic number.

It is an amenable number.

42283321 is a deficient number, since it is larger than the sum of its proper divisors (212679).

42283321 is a wasteful number, since it uses less digits than its factorization.

42283321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212678.

The product of its digits is 2304, while the sum is 25.

The square root of 42283321 is about 6502.5626486794. The cubic root of 42283321 is about 348.3825257073.

The spelling of 42283321 in words is "forty-two million, two hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 199 212479 42283321