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42133933 = 1571671607
BaseRepresentation
bin1010000010111…
…0100110101101
32221021121220001
42200232212231
541241241213
64103024301
71021063312
oct240564655
987247801
1042133933
1121868936
121213b091
138962c2a
14584ad09
153a741dd
hex282e9ad

42133933 has 8 divisors (see below), whose sum is σ = 42682752. Its totient is φ = 41588976.

The previous prime is 42133919. The next prime is 42133943. The reversal of 42133933 is 33933124.

42133933 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 a de Polignac number, because none of the positive numbers 2k-42133933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133913) 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, 25416 + ... + 27022.

It is an arithmetic number, because the mean of its divisors is an integer number (5335344).

Almost surely, 242133933 is an apocalyptic number.

It is an amenable number.

42133933 is a deficient number, since it is larger than the sum of its proper divisors (548819).

42133933 is a wasteful number, since it uses less digits than its factorization.

42133933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its digits is 5832, while the sum is 28.

The square root of 42133933 is about 6491.0656290011. The cubic root of 42133933 is about 347.9717602707.

The spelling of 42133933 in words is "forty-two million, one hundred thirty-three thousand, nine hundred thirty-three".

Divisors: 1 157 167 1607 26219 252299 268369 42133933