Search a number
-
+
56422719 = 3229216179
BaseRepresentation
bin1101011100111…
…1000100111111
310221011120102100
43113033010333
5103421011334
65333200143
71253404503
oct327170477
9127146370
1056422719
1129938251
1216a90053
13b8c6932
1476ca303
154e47c99
hex35cf13f

56422719 has 12 divisors (see below), whose sum is σ = 84310200. Its totient is φ = 36317904.

The previous prime is 56422699. The next prime is 56422721. The reversal of 56422719 is 91722465.

56422719 is a `hidden beast` number, since 5 + 642 + 2 + 7 + 1 + 9 = 666.

It is not a de Polignac number, because 56422719 - 221 = 54325567 is a prime.

It is a super-2 number, since 2×564227192 = 6367046438705922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56422019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107829 + ... + 108350.

It is an arithmetic number, because the mean of its divisors is an integer number (7025850).

Almost surely, 256422719 is an apocalyptic number.

56422719 is a deficient number, since it is larger than the sum of its proper divisors (27887481).

56422719 is a wasteful number, since it uses less digits than its factorization.

56422719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216214 (or 216211 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 56422719 is about 7511.5057744769. The cubic root of 56422719 is about 383.5464820049.

The spelling of 56422719 in words is "fifty-six million, four hundred twenty-two thousand, seven hundred nineteen".

Divisors: 1 3 9 29 87 261 216179 648537 1945611 6269191 18807573 56422719