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42122324 = 2212378513
BaseRepresentation
bin1010000010101…
…1110001010100
32221021000222002
42200223301110
541240403244
64102454432
71021014416
oct240536124
987230862
1042122324
1121860142
1212134418
13895a86a
1458469b6
153a70a4e
hex282bc54

42122324 has 12 divisors (see below), whose sum is σ = 73782324. Its totient is φ = 21041664.

The previous prime is 42122323. The next prime is 42122341. The reversal of 42122324 is 42322124.

It can be written as a sum of positive squares in 2 ways, for example, as 37576900 + 4545424 = 6130^2 + 2132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42122296 and 42122305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 692 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (6148527).

Almost surely, 242122324 is an apocalyptic number.

It is an amenable number.

42122324 is a deficient number, since it is larger than the sum of its proper divisors (31660000).

42122324 is a wasteful number, since it uses less digits than its factorization.

42122324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754 (or 9752 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 42122324 is about 6490.1713382622. The cubic root of 42122324 is about 347.9397988962.

Adding to 42122324 its reverse (42322124), we get a palindrome (84444448).

The spelling of 42122324 in words is "forty-two million, one hundred twenty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 1237 2474 4948 8513 17026 34052 10530581 21061162 42122324