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42324505 = 541206461
BaseRepresentation
bin1010000101110…
…1001000011001
32221122022022021
42201131020121
541313341010
64111054441
71022516026
oct241351031
987568267
1042324505
1121989033
1212211421
1389cb8b2
14589a54d
153ab08da
hex285d219

42324505 has 8 divisors (see below), whose sum is σ = 52028424. Its totient is φ = 33033600.

The previous prime is 42324479. The next prime is 42324511. The reversal of 42324505 is 50542324.

It can be written as a sum of positive squares in 4 ways, for example, as 61504 + 42263001 = 248^2 + 6501^2 .

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

It is not a de Polignac number, because 42324505 - 29 = 42323993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42324505.

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, 103026 + ... + 103435.

It is an arithmetic number, because the mean of its divisors is an integer number (6503553).

Almost surely, 242324505 is an apocalyptic number.

It is an amenable number.

42324505 is a deficient number, since it is larger than the sum of its proper divisors (9703919).

42324505 is a wasteful number, since it uses less digits than its factorization.

42324505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206507.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42324505 is about 6505.7286294465. The cubic root of 42324505 is about 348.4955973225.

Adding to 42324505 its reverse (50542324), we get a palindrome (92866829).

The spelling of 42324505 in words is "forty-two million, three hundred twenty-four thousand, five hundred five".

Divisors: 1 5 41 205 206461 1032305 8464901 42324505