Search a number
-
+
42582679 is a prime number
BaseRepresentation
bin1010001001110…
…0001010010111
32222010102110021
42202130022113
541400121204
64120410011
71024642516
oct242341227
988112407
1042582679
1122044aa7
1212316907
138a8c269
14592667d
153b12154
hex289c297

42582679 has 2 divisors, whose sum is σ = 42582680. Its totient is φ = 42582678.

The previous prime is 42582677. The next prime is 42582689. The reversal of 42582679 is 97628524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42582679 - 21 = 42582677 is a prime.

Together with 42582677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42582677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21291339 + 21291340.

It is an arithmetic number, because the mean of its divisors is an integer number (21291340).

Almost surely, 242582679 is an apocalyptic number.

42582679 is a deficient number, since it is larger than the sum of its proper divisors (1).

42582679 is an equidigital number, since it uses as much as digits as its factorization.

42582679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 42582679 is about 6525.5405140111. The cubic root of 42582679 is about 349.2027540833.

The spelling of 42582679 in words is "forty-two million, five hundred eighty-two thousand, six hundred seventy-nine".