Search a number
-
+
56888479 = 157362347
BaseRepresentation
bin1101100100000…
…0110010011111
310222001020022201
43121000302133
5104030412404
65351152331
71260354424
oct331006237
9128036281
1056888479
112a12617a
12170756a7
13ba2a92b
1477abd4b
154edaca4
hex3640c9f

56888479 has 4 divisors (see below), whose sum is σ = 57250984. Its totient is φ = 56525976.

The previous prime is 56888473. The next prime is 56888497. The reversal of 56888479 is 97488865.

56888479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56888479 - 213 = 56880287 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 (56888473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181017 + ... + 181330.

It is an arithmetic number, because the mean of its divisors is an integer number (14312746).

Almost surely, 256888479 is an apocalyptic number.

56888479 is a deficient number, since it is larger than the sum of its proper divisors (362505).

56888479 is a wasteful number, since it uses less digits than its factorization.

56888479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362504.

The product of its digits is 3870720, while the sum is 55.

The square root of 56888479 is about 7542.4451605564. The cubic root of 56888479 is about 384.5989617224.

The spelling of 56888479 in words is "fifty-six million, eight hundred eighty-eight thousand, four hundred seventy-nine".

Divisors: 1 157 362347 56888479