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42350471 = 109338747
BaseRepresentation
bin1010000110001…
…1011110000111
32221200121220222
42201203132013
541320203341
64111414555
71022654522
oct241433607
987617828
1042350471
11219a6599
121222445b
138a0a667
1458a5bb9
153ab844b
hex2863787

42350471 has 4 divisors (see below), whose sum is σ = 42390312. Its totient is φ = 42310632.

The previous prime is 42350467. The next prime is 42350507. The reversal of 42350471 is 17405324.

42350471 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 42350471 - 22 = 42350467 is a prime.

It is a super-3 number, since 3×423504713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42350471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42350401) 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, 18281 + ... + 20466.

It is an arithmetic number, because the mean of its divisors is an integer number (10597578).

Almost surely, 242350471 is an apocalyptic number.

42350471 is a deficient number, since it is larger than the sum of its proper divisors (39841).

42350471 is a wasteful number, since it uses less digits than its factorization.

42350471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39840.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42350471 is about 6507.7239492775. The cubic root of 42350471 is about 348.5668498730.

Adding to 42350471 its reverse (17405324), we get a palindrome (59755795).

The spelling of 42350471 in words is "forty-two million, three hundred fifty thousand, four hundred seventy-one".

Divisors: 1 1093 38747 42350471