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42804811 = 713614493
BaseRepresentation
bin1010001101001…
…0011001001011
32222112201011101
42203102121023
541424223221
64125242231
71026556240
oct243223113
988481141
1042804811
1122186985
1212403377
138b393ba
1459835c7
153b57d91
hex28d264b

42804811 has 8 divisors (see below), whose sum is σ = 48966624. Its totient is φ = 36654720.

The previous prime is 42804799. The next prime is 42804821. The reversal of 42804811 is 11840824.

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

It is a cyclic number.

It is not a de Polignac number, because 42804811 - 27 = 42804683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42804811.

It is not an unprimeable number, because it can be changed into a prime (42804821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (6120828).

Almost surely, 242804811 is an apocalyptic number.

42804811 is a deficient number, since it is larger than the sum of its proper divisors (6161813).

42804811 is a wasteful number, since it uses less digits than its factorization.

42804811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 42804811 is about 6542.5385745901. The cubic root of 42804811 is about 349.8089052079.

The spelling of 42804811 in words is "forty-two million, eight hundred four thousand, eight hundred eleven".

Divisors: 1 7 1361 4493 9527 31451 6114973 42804811