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42705011 = 319191499
BaseRepresentation
bin1010001011101…
…0000001110011
32222100122021002
42202322001303
541413030021
64123152215
71025662256
oct242720163
988318232
1042705011
11221189a8
121237566b
138b02b4b
14595909d
153b3850b
hex28ba073

42705011 has 8 divisors (see below), whose sum is σ = 44160000. Its totient is φ = 41254920.

The previous prime is 42705007. The next prime is 42705017. The reversal of 42705011 is 11050724.

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 42705011 - 22 = 42705007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42705017) 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, 27740 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (5520000).

Almost surely, 242705011 is an apocalyptic number.

42705011 is a deficient number, since it is larger than the sum of its proper divisors (1454989).

42705011 is a wasteful number, since it uses less digits than its factorization.

42705011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 42705011 is about 6534.9071148716. The cubic root of 42705011 is about 349.5368322416.

Adding to 42705011 its reverse (11050724), we get a palindrome (53755735).

The spelling of 42705011 in words is "forty-two million, seven hundred five thousand, eleven".

Divisors: 1 31 919 1499 28489 46469 1377581 42705011