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42800006 = 221400003
BaseRepresentation
bin1010001101000…
…1001110000110
32222112110120102
42203101032012
541424100011
64125204102
71026536234
oct243211606
988473512
1042800006
1122183307
1212400632
138b37162
145981954
153b5673b
hex28d1386

42800006 has 4 divisors (see below), whose sum is σ = 64200012. Its totient is φ = 21400002.

The previous prime is 42799949. The next prime is 42800039. The reversal of 42800006 is 60000824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10700000 + ... + 10700003.

It is an arithmetic number, because the mean of its divisors is an integer number (16050003).

Almost surely, 242800006 is an apocalyptic number.

42800006 is a deficient number, since it is larger than the sum of its proper divisors (21400006).

42800006 is a wasteful number, since it uses less digits than its factorization.

42800006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400005.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 42800006 is about 6542.1713520818. The cubic root of 42800006 is about 349.7958155991.

The spelling of 42800006 in words is "forty-two million, eight hundred thousand, six".

Divisors: 1 2 21400003 42800006