Search a number
-
+
56886617 is a prime number
BaseRepresentation
bin1101100100000…
…0010101011001
310222001010202202
43121000111121
5104030332432
65351135545
71260346124
oct331002531
9128033682
1056886617
112a124837
12170745b5
13ba29b28
1477ab3bb
154eda462
hex3640559

56886617 has 2 divisors, whose sum is σ = 56886618. Its totient is φ = 56886616.

The previous prime is 56886569. The next prime is 56886667. The reversal of 56886617 is 71668865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 13075456 = 6619^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 56886617 - 210 = 56885593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56886667) 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 as a sum of consecutive naturals, namely, 28443308 + 28443309.

It is an arithmetic number, because the mean of its divisors is an integer number (28443309).

Almost surely, 256886617 is an apocalyptic number.

It is an amenable number.

56886617 is a deficient number, since it is larger than the sum of its proper divisors (1).

56886617 is an equidigital number, since it uses as much as digits as its factorization.

56886617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 56886617 is about 7542.3217247741. The cubic root of 56886617 is about 384.5947656116.

The spelling of 56886617 in words is "fifty-six million, eight hundred eighty-six thousand, six hundred seventeen".