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42287677 = 98343019
BaseRepresentation
bin1010000101010…
…0001000111101
32221120102210021
42201110020331
541311201202
64110212141
71022303455
oct241241075
987512707
1042287677
11219633a3
12121b4051
1389b7bc3
14588ad65
153aa4a37
hex285423d

42287677 has 4 divisors (see below), whose sum is σ = 42331680. Its totient is φ = 42243676.

The previous prime is 42287669. The next prime is 42287681. The reversal of 42287677 is 77678224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42287677 - 23 = 42287669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42287617) by changing a digit.

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, 20527 + ... + 22492.

It is an arithmetic number, because the mean of its divisors is an integer number (10582920).

Almost surely, 242287677 is an apocalyptic number.

It is an amenable number.

42287677 is a deficient number, since it is larger than the sum of its proper divisors (44003).

42287677 is an equidigital number, since it uses as much as digits as its factorization.

42287677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44002.

The product of its digits is 263424, while the sum is 43.

The square root of 42287677 is about 6502.8975849232. The cubic root of 42287677 is about 348.3944886763.

The spelling of 42287677 in words is "forty-two million, two hundred eighty-seven thousand, six hundred seventy-seven".

Divisors: 1 983 43019 42287677