Search a number
-
+
227905 = 5192399
BaseRepresentation
bin110111101001000001
3102120121221
4313221001
524243110
64515041
71636306
oct675101
9376557
10227905
11146257
12aba81
137c972
145d0ad
15477da
hex37a41

227905 has 8 divisors (see below), whose sum is σ = 288000. Its totient is φ = 172656.

The previous prime is 227893. The next prime is 227947. The reversal of 227905 is 509722.

227905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 227905 - 25 = 227873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105 + ... + 1294.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2227905 is an apocalyptic number.

It is an amenable number.

227905 is a deficient number, since it is larger than the sum of its proper divisors (60095).

227905 is a wasteful number, since it uses less digits than its factorization.

227905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 227905 is about 477.3939672849. The cubic root of 227905 is about 61.0826613826.

The spelling of 227905 in words is "two hundred twenty-seven thousand, nine hundred five".

Divisors: 1 5 19 95 2399 11995 45581 227905