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42112333 = 231830971
BaseRepresentation
bin1010000010100…
…1010101001101
32221020112021001
42200221111031
541240043313
64102340301
71020643324
oct240512515
987215231
1042112333
112185368a
121212a691
138956153
1458430bb
153a6cadd
hex282954d

42112333 has 4 divisors (see below), whose sum is σ = 43943328. Its totient is φ = 40281340.

The previous prime is 42112331. The next prime is 42112361. The reversal of 42112333 is 33321124.

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 42112333 - 21 = 42112331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42112333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112331) 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, 915463 + ... + 915508.

It is an arithmetic number, because the mean of its divisors is an integer number (10985832).

Almost surely, 242112333 is an apocalyptic number.

It is an amenable number.

42112333 is a deficient number, since it is larger than the sum of its proper divisors (1830995).

42112333 is a wasteful number, since it uses less digits than its factorization.

42112333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830994.

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

The square root of 42112333 is about 6489.4015902855. The cubic root of 42112333 is about 347.9122874242.

Adding to 42112333 its reverse (33321124), we get a palindrome (75433457).

The spelling of 42112333 in words is "forty-two million, one hundred twelve thousand, three hundred thirty-three".

Divisors: 1 23 1830971 42112333