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42333121 = 192837873
BaseRepresentation
bin1010000101111…
…1001111000001
32221122202010101
42201133033001
541314124441
64111202401
71022553115
oct241371701
987582111
1042333121
1121994556
1212216401
138a027ac
14589d745
153ab3231
hex285f3c1

42333121 has 8 divisors (see below), whose sum is σ = 44724320. Its totient is φ = 39958272.

The previous prime is 42333101. The next prime is 42333139. The reversal of 42333121 is 12133324.

42333121 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 a cyclic number.

It is not a de Polignac number, because 42333121 - 25 = 42333089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42333101) 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, 1441 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (5590540).

Almost surely, 242333121 is an apocalyptic number.

It is an amenable number.

42333121 is a deficient number, since it is larger than the sum of its proper divisors (2391199).

42333121 is a wasteful number, since it uses less digits than its factorization.

42333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175.

The product of its digits is 432, while the sum is 19.

The square root of 42333121 is about 6506.3907813780. The cubic root of 42333121 is about 348.5192434690.

Adding to 42333121 its reverse (12133324), we get a palindrome (54466445).

The spelling of 42333121 in words is "forty-two million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 19 283 5377 7873 149587 2228059 42333121