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42316045 = 526213229
BaseRepresentation
bin1010000101101…
…1000100001101
32221121212200221
42201123010031
541313103140
64110551341
71022452252
oct241330415
987555627
1042316045
1121982742
1212208551
1389c7aa5
145897429
153aad14a
hex285b10d

42316045 has 8 divisors (see below), whose sum is σ = 50814360. Its totient is φ = 33829440.

The previous prime is 42316037. The next prime is 42316063. The reversal of 42316045 is 54061324.

It can be written as a sum of positive squares in 4 ways, for example, as 6280036 + 36036009 = 2506^2 + 6003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42316045 - 23 = 42316037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11491 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (6351795).

Almost surely, 242316045 is an apocalyptic number.

It is an amenable number.

42316045 is a deficient number, since it is larger than the sum of its proper divisors (8498315).

42316045 is a wasteful number, since it uses less digits than its factorization.

42316045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42316045 is about 6505.0784007574. The cubic root of 42316045 is about 348.4723761869.

Adding to 42316045 its reverse (54061324), we get a palindrome (96377369).

The spelling of 42316045 in words is "forty-two million, three hundred sixteen thousand, forty-five".

Divisors: 1 5 2621 3229 13105 16145 8463209 42316045