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42230333 = 143929347
BaseRepresentation
bin1010000100011…
…0001000111101
32221110112010102
42201012020331
541302332313
64105050445
71021644335
oct241061075
987415112
1042230333
1121924302
1212186a25
138997a82
1458740c5
153a92a58
hex284623d

42230333 has 4 divisors (see below), whose sum is σ = 42261120. Its totient is φ = 42199548.

The previous prime is 42230327. The next prime is 42230381. The reversal of 42230333 is 33303224.

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 42230333 - 26 = 42230269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42260333) 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, 13235 + ... + 16112.

It is an arithmetic number, because the mean of its divisors is an integer number (10565280).

Almost surely, 242230333 is an apocalyptic number.

It is an amenable number.

42230333 is a deficient number, since it is larger than the sum of its proper divisors (30787).

42230333 is a wasteful number, since it uses less digits than its factorization.

42230333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30786.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 42230333 is about 6498.4869777511. The cubic root of 42230333 is about 348.2369378853.

Adding to 42230333 its reverse (33303224), we get a palindrome (75533557).

The spelling of 42230333 in words is "forty-two million, two hundred thirty thousand, three hundred thirty-three".

Divisors: 1 1439 29347 42230333