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42332331 = 343932143
BaseRepresentation
bin1010000101111…
…1000010101011
32221122201001010
42201133002223
541314113311
64111155003
71022550606
oct241370253
987581033
1042332331
11219939a8
1212215a63
138a02322
14589d33d
153ab2da6
hex285f0ab

42332331 has 8 divisors (see below), whose sum is σ = 56573440. Its totient is φ = 28156392.

The previous prime is 42332321. The next prime is 42332371. The reversal of 42332331 is 13323324.

42332331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42332331 - 25 = 42332299 is a prime.

It is a super-2 number, since 2×423323312 = 3584052495787122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42332298 and 42332307.

It is not an unprimeable number, because it can be changed into a prime (42332321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14755 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (7071680).

Almost surely, 242332331 is an apocalyptic number.

42332331 is a deficient number, since it is larger than the sum of its proper divisors (14241109).

42332331 is a wasteful number, since it uses less digits than its factorization.

42332331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32585.

The product of its digits is 1296, while the sum is 21.

The square root of 42332331 is about 6506.3300715534. The cubic root of 42332331 is about 348.5170754903.

Adding to 42332331 its reverse (13323324), we get a palindrome (55655655).

The spelling of 42332331 in words is "forty-two million, three hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 439 1317 32143 96429 14110777 42332331