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8408042 = 210938569
BaseRepresentation
bin100000000100…
…101111101010
3120211011122222
4200010233222
54123024132
6500114042
7131316146
oct40045752
916734588
108408042
1148230a5
122995922
131985096
14118c226
15b11412
hex804bea

8408042 has 8 divisors (see below), whose sum is σ = 12728100. Its totient is φ = 4165344.

The previous prime is 8408039. The next prime is 8408053. The reversal of 8408042 is 2408048.

It can be written as a sum of positive squares in 2 ways, for example, as 8128201 + 279841 = 2851^2 + 529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19067 + ... + 19502.

Almost surely, 28408042 is an apocalyptic number.

8408042 is a deficient number, since it is larger than the sum of its proper divisors (4320058).

8408042 is a wasteful number, since it uses less digits than its factorization.

8408042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38680.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 8408042 is about 2899.6623941418. The cubic root of 8408042 is about 203.3441225724.

The spelling of 8408042 in words is "eight million, four hundred eight thousand, forty-two".

Divisors: 1 2 109 218 38569 77138 4204021 8408042