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42310043 = 296432269
BaseRepresentation
bin1010000101100…
…1100110011011
32221121120110122
42201121212123
541312410133
64110503455
71022425616
oct241314633
987546418
1042310043
1121979186
1212204b8b
1389c5139
14589517d
153aab498
hex285999b

42310043 has 8 divisors (see below), whose sum is σ = 43856400. Its totient is φ = 40769568.

The previous prime is 42310019. The next prime is 42310061. The reversal of 42310043 is 34001324.

42310043 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 42310043 - 214 = 42293659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42310003) 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, 17513 + ... + 19781.

It is an arithmetic number, because the mean of its divisors is an integer number (5482050).

Almost surely, 242310043 is an apocalyptic number.

42310043 is a deficient number, since it is larger than the sum of its proper divisors (1546357).

42310043 is a wasteful number, since it uses less digits than its factorization.

42310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941.

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

The square root of 42310043 is about 6504.6170525251. The cubic root of 42310043 is about 348.4558999299.

Adding to 42310043 its reverse (34001324), we get a palindrome (76311367).

The spelling of 42310043 in words is "forty-two million, three hundred ten thousand, forty-three".

Divisors: 1 29 643 2269 18647 65801 1458967 42310043