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42433331 = 59898081
BaseRepresentation
bin1010000111011…
…1101100110011
32221211211120212
42201313230303
541330331311
64113254335
71023451223
oct241675463
987754525
1042433331
1121a52876
12122643ab
138a392a5
1458c8083
153ad2c8b
hex2877b33

42433331 has 8 divisors (see below), whose sum is σ = 43642800. Its totient is φ = 41240320.

The previous prime is 42433297. The next prime is 42433333. The reversal of 42433331 is 13333424.

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 42433331 - 214 = 42416947 is a prime.

It is a super-2 number, since 2×424333312 = 3601175159511122, 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 = 42433297 and 42433306.

It is not an unprimeable number, because it can be changed into a prime (42433333) 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, 1211 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (5455350).

Almost surely, 242433331 is an apocalyptic number.

42433331 is a deficient number, since it is larger than the sum of its proper divisors (1209469).

42433331 is an equidigital number, since it uses as much as digits as its factorization.

42433331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229.

The product of its digits is 2592, while the sum is 23.

The square root of 42433331 is about 6514.0871194665. The cubic root of 42433331 is about 348.7940290331.

Adding to 42433331 its reverse (13333424), we get a palindrome (55766755).

The spelling of 42433331 in words is "forty-two million, four hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 59 89 5251 8081 476779 719209 42433331