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42877766 = 2109196687
BaseRepresentation
bin1010001110010…
…0001101000110
32222200102020102
42203210031012
541434042031
64131004102
71030312031
oct243441506
988612212
1042877766
1122226778
1212439632
138b63679
1459a2018
153b6e7cb
hex28e4346

42877766 has 8 divisors (see below), whose sum is σ = 64907040. Its totient is φ = 21242088.

The previous prime is 42877753. The next prime is 42877777. The reversal of 42877766 is 66777824.

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

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 42877766.

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 in 3 ways as a sum of consecutive naturals, for example, 98126 + ... + 98561.

It is an arithmetic number, because the mean of its divisors is an integer number (8113380).

Almost surely, 242877766 is an apocalyptic number.

42877766 is a deficient number, since it is larger than the sum of its proper divisors (22029274).

42877766 is a wasteful number, since it uses less digits than its factorization.

42877766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196798.

The product of its digits is 790272, while the sum is 47.

The square root of 42877766 is about 6548.1116361895. Note that the first 3 decimals coincide. The cubic root of 42877766 is about 350.0075263688.

It can be divided in two parts, 428777 and 66, that multiplied together give a palindrome (28299282).

The spelling of 42877766 in words is "forty-two million, eight hundred seventy-seven thousand, seven hundred sixty-six".

Divisors: 1 2 109 218 196687 393374 21438883 42877766