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42315465 = 35173153101
BaseRepresentation
bin1010000101101…
…0111011001001
32221121211220110
42201122323021
541313043330
64110544533
71022450463
oct241327311
987554813
1042315465
1121982265
1212208149
1389c774a
145897133
153aacdb0
hex285aec9

42315465 has 64 divisors (see below), whose sum is σ = 76142592. Its totient is φ = 19968000.

The previous prime is 42315433. The next prime is 42315487. The reversal of 42315465 is 56451324.

42315465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42315465 - 25 = 42315433 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 418915 + ... + 419015.

It is an arithmetic number, because the mean of its divisors is an integer number (1189728).

Almost surely, 242315465 is an apocalyptic number.

It is an amenable number.

42315465 is a deficient number, since it is larger than the sum of its proper divisors (33827127).

42315465 is a wasteful number, since it uses less digits than its factorization.

42315465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

The product of its digits is 14400, while the sum is 30.

The square root of 42315465 is about 6505.0338200504. The cubic root of 42315465 is about 348.4707840808.

Adding to 42315465 its reverse (56451324), we get a palindrome (98766789).

The spelling of 42315465 in words is "forty-two million, three hundred fifteen thousand, four hundred sixty-five".

Divisors: 1 3 5 15 17 31 51 53 85 93 101 155 159 255 265 303 465 505 527 795 901 1515 1581 1643 1717 2635 2703 3131 4505 4929 5151 5353 7905 8215 8585 9393 13515 15655 16059 24645 25755 26765 27931 46965 53227 80295 83793 91001 139655 159681 165943 266135 273003 418965 455005 497829 798405 829715 1365015 2489145 2821031 8463093 14105155 42315465