Search a number
-
+
228292 = 2257073
BaseRepresentation
bin110111101111000100
3102121011021
4313233010
524301132
64520524
71640401
oct675704
9377137
10228292
11146579
12b0144
137cbac
145d2a8
1547997
hex37bc4

228292 has 6 divisors (see below), whose sum is σ = 399518. Its totient is φ = 114144.

The previous prime is 228281. The next prime is 228299. The reversal of 228292 is 292822.

It can be written as a sum of positive squares in only one way, i.e., 215296 + 12996 = 464^2 + 114^2 .

It is not an unprimeable number, because it can be changed into a prime (228299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28533 + ... + 28540.

2228292 is an apocalyptic number.

It is an amenable number.

228292 is a deficient number, since it is larger than the sum of its proper divisors (171226).

228292 is a wasteful number, since it uses less digits than its factorization.

228292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57077 (or 57075 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 228292 is about 477.7991209703. The cubic root of 228292 is about 61.1172161639.

The spelling of 228292 in words is "two hundred twenty-eight thousand, two hundred ninety-two".

Divisors: 1 2 4 57073 114146 228292