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42315572 = 2213262597
BaseRepresentation
bin1010000101101…
…0111100110100
32221121212001102
42201122330310
541313044242
64110545232
71022451005
oct241327464
987555042
1042315572
1121982352
1212208218
1389c7800
1458971ac
153aace32
hex285af34

42315572 has 18 divisors (see below), whose sum is σ = 80188038. Its totient is φ = 19529952.

The previous prime is 42315563. The next prime is 42315577. The reversal of 42315572 is 27551324.

It is a happy number.

42315572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 376996 + 41938576 = 614^2 + 6476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315577) 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 5 ways as a sum of consecutive naturals, for example, 30623 + ... + 31974.

It is an arithmetic number, because the mean of its divisors is an integer number (4454891).

Almost surely, 242315572 is an apocalyptic number.

It is an amenable number.

42315572 is a deficient number, since it is larger than the sum of its proper divisors (37872466).

42315572 is a wasteful number, since it uses less digits than its factorization.

42315572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62627 (or 62612 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 42315572 is about 6505.0420444452. The cubic root of 42315572 is about 348.4710777980.

Adding to 42315572 its reverse (27551324), we get a palindrome (69866896).

The spelling of 42315572 in words is "forty-two million, three hundred fifteen thousand, five hundred seventy-two".

Divisors: 1 2 4 13 26 52 169 338 676 62597 125194 250388 813761 1627522 3255044 10578893 21157786 42315572