Search a number
-
+
56423071 = 232453177
BaseRepresentation
bin1101011100111…
…1001010011111
310221011120220101
43113033022133
5103421014241
65333201531
71253405515
oct327171237
9127146811
1056423071
1129938541
1216a902a7
13b8c6b43
1476ca4b5
154e47e31
hex35cf29f

56423071 has 4 divisors (see below), whose sum is σ = 58876272. Its totient is φ = 53969872.

The previous prime is 56423041. The next prime is 56423083. The reversal of 56423071 is 17032465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17032465 = 53406493.

It is a cyclic number.

It is not a de Polignac number, because 56423071 - 215 = 56390303 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 (56423041) 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 3 ways as a sum of consecutive naturals, for example, 1226566 + ... + 1226611.

It is an arithmetic number, because the mean of its divisors is an integer number (14719068).

Almost surely, 256423071 is an apocalyptic number.

56423071 is a deficient number, since it is larger than the sum of its proper divisors (2453201).

56423071 is a wasteful number, since it uses less digits than its factorization.

56423071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453200.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56423071 is about 7511.5292051619. The cubic root of 56423071 is about 383.5472796038.

The spelling of 56423071 in words is "fifty-six million, four hundred twenty-three thousand, seventy-one".

Divisors: 1 23 2453177 56423071