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42424210 = 254242421
BaseRepresentation
bin1010000111010…
…1011110010010
32221211101002001
42201311132102
541330033320
64113144214
71023412513
oct241653622
987741061
1042424210
1121a46a34
121225b06a
138a350aa
1458c4a0a
153ad020a
hex2875792

42424210 has 8 divisors (see below), whose sum is σ = 76363596. Its totient is φ = 16969680.

The previous prime is 42424201. The next prime is 42424241. The reversal of 42424210 is 1242424.

42424210 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 2 ways, for example, as 42419169 + 5041 = 6513^2 + 71^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 2121201 + ... + 2121220.

Almost surely, 242424210 is an apocalyptic number.

42424210 is a deficient number, since it is larger than the sum of its proper divisors (33939386).

42424210 is a wasteful number, since it uses less digits than its factorization.

42424210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242428.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 42424210 is about 6513.3869837436. The cubic root of 42424210 is about 348.7690362720.

Adding to 42424210 its reverse (1242424), we get a palindrome (43666634).

The spelling of 42424210 in words is "forty-two million, four hundred twenty-four thousand, two hundred ten".

Divisors: 1 2 5 10 4242421 8484842 21212105 42424210