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42103223 = 238117683
BaseRepresentation
bin1010000010011…
…1000110110111
32221020001202122
42200213012313
541234300343
64102230155
71020604631
oct240470667
987201678
1042103223
1121847858
121212535b
138951c66
14583da51
153a6a068
hex28271b7

42103223 has 4 divisors (see below), whose sum is σ = 42123288. Its totient is φ = 42083160.

The previous prime is 42103219. The next prime is 42103231. The reversal of 42103223 is 32230124.

42103223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42103223 - 22 = 42103219 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 (42103283) 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 3 ways as a sum of consecutive naturals, for example, 6461 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (10530822).

Almost surely, 242103223 is an apocalyptic number.

42103223 is a deficient number, since it is larger than the sum of its proper divisors (20065).

42103223 is a wasteful number, since it uses less digits than its factorization.

42103223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42103223 is about 6488.6996386025. The cubic root of 42103223 is about 347.8871981033.

Adding to 42103223 its reverse (32230124), we get a palindrome (74333347).

The spelling of 42103223 in words is "forty-two million, one hundred three thousand, two hundred twenty-three".

Divisors: 1 2381 17683 42103223