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42879011 = 76125573
BaseRepresentation
bin1010001110010…
…0100000100011
32222200110221112
42203210200203
541434112021
64131013535
71030315460
oct243444043
988613845
1042879011
11222276aa
121243a2ab
138b640c6
1459a2667
153b6ed5b
hex28e4823

42879011 has 4 divisors (see below), whose sum is σ = 49004592. Its totient is φ = 36753432.

The previous prime is 42879007. The next prime is 42879037. The reversal of 42879011 is 11097824.

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

It is a cyclic number.

It is not a de Polignac number, because 42879011 - 22 = 42879007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42879511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062780 + ... + 3062793.

It is an arithmetic number, because the mean of its divisors is an integer number (12251148).

Almost surely, 242879011 is an apocalyptic number.

42879011 is a deficient number, since it is larger than the sum of its proper divisors (6125581).

42879011 is an equidigital number, since it uses as much as digits as its factorization.

42879011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125580.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 42879011 is about 6548.2067010747. The cubic root of 42879011 is about 350.0109139454.

The spelling of 42879011 in words is "forty-two million, eight hundred seventy-nine thousand, eleven".

Divisors: 1 7 6125573 42879011