Search a number
-
+
56228087 = 199730509
BaseRepresentation
bin1101011001111…
…1100011110111
310220210200102202
43112133203313
5103343244322
65325055115
71251634166
oct326374367
9126720382
1056228087
1129814aa3
12169b749b
13b859176
1476793dd
154e0a292
hex359f8f7

56228087 has 8 divisors (see below), whose sum is σ = 59799600. Its totient is φ = 52717824.

The previous prime is 56228069. The next prime is 56228099. The reversal of 56228087 is 78082265.

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

It is a cyclic number.

It is not a de Polignac number, because 56228087 - 26 = 56228023 is a prime.

It is a super-3 number, since 3×562280873 (a number of 24 digits) contains 333 as substring.

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 56228087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228057) 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, 13412 + ... + 17097.

It is an arithmetic number, because the mean of its divisors is an integer number (7474950).

Almost surely, 256228087 is an apocalyptic number.

56228087 is a deficient number, since it is larger than the sum of its proper divisors (3571513).

56228087 is a wasteful number, since it uses less digits than its factorization.

56228087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 56228087 is about 7498.5389910302. The cubic root of 56228087 is about 383.1049552498.

The spelling of 56228087 in words is "fifty-six million, two hundred twenty-eight thousand, eighty-seven".

Divisors: 1 19 97 1843 30509 579671 2959373 56228087