Search a number
-
+
56027993 = 759135661
BaseRepresentation
bin1101010110111…
…0101101011001
310220102111221212
43111232231121
5103320343433
65320512505
71250141630
oct325565531
9126374855
1056027993
112969872a
121691b735
13b7b9078
147626517
154dbad48
hex356eb59

56027993 has 8 divisors (see below), whose sum is σ = 65117760. Its totient is φ = 47209680.

The previous prime is 56027989. The next prime is 56028001. The reversal of 56027993 is 39972065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56027993 - 22 = 56027989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56027993.

It is not an unprimeable number, because it can be changed into a prime (56027963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67418 + ... + 68243.

It is an arithmetic number, because the mean of its divisors is an integer number (8139720).

Almost surely, 256027993 is an apocalyptic number.

It is an amenable number.

56027993 is a deficient number, since it is larger than the sum of its proper divisors (9089767).

56027993 is a wasteful number, since it uses less digits than its factorization.

56027993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135727.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 56027993 is about 7485.1849008558. The cubic root of 56027993 is about 382.6499743670.

The spelling of 56027993 in words is "fifty-six million, twenty-seven thousand, nine hundred ninety-three".

Divisors: 1 7 59 413 135661 949627 8003999 56027993