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42735807 = 32171961241
BaseRepresentation
bin1010001100000…
…1100010111111
32222102012111200
42203001202333
541420021212
64123550543
71026151122
oct243014277
988365450
1042735807
112213a054
121238b453
138b13b7a
1459663b9
153b426dc
hex28c18bf

42735807 has 48 divisors (see below), whose sum is σ = 70218720. Its totient is φ = 24883200.

The previous prime is 42735799. The next prime is 42735811. The reversal of 42735807 is 70853724.

42735807 is a `hidden beast` number, since 4 + 2 + 73 + 580 + 7 = 666.

42735807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42735807 - 23 = 42735799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42735877) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 177207 + ... + 177447.

It is an arithmetic number, because the mean of its divisors is an integer number (1462890).

Almost surely, 242735807 is an apocalyptic number.

42735807 is a deficient number, since it is larger than the sum of its proper divisors (27482913).

42735807 is a wasteful number, since it uses less digits than its factorization.

42735807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 42735807 is about 6537.2629593737. The cubic root of 42735807 is about 349.6208329210.

The spelling of 42735807 in words is "forty-two million, seven hundred thirty-five thousand, eight hundred seven".

Divisors: 1 3 9 17 19 51 57 61 153 171 183 241 323 549 723 969 1037 1159 2169 2907 3111 3477 4097 4579 9333 10431 12291 13737 14701 19703 36873 41211 44103 59109 77843 132309 177327 233529 249917 279319 700587 749751 837957 2249253 2513871 4748423 14245269 42735807