Search a number
-
+
228670244 = 2211195232
BaseRepresentation
bin11011010000100…
…11101100100100
3120221021122121022
431220103230210
5432014421434
634405110312
75444444045
oct1550235444
9527248538
10228670244
11108095380
12646b8398
13384b4c4a
14225268cc
151511e22e
hexda13b24

228670244 has 36 divisors (see below), whose sum is σ = 460409040. Its totient is φ = 98282160.

The previous prime is 228670241. The next prime is 228670279. The reversal of 228670244 is 442076822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228670241) 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 11 ways as a sum of consecutive naturals, for example, 436967 + ... + 437489.

It is an arithmetic number, because the mean of its divisors is an integer number (12789140).

Almost surely, 2228670244 is an apocalyptic number.

It is an amenable number.

228670244 is an abundant number, since it is smaller than the sum of its proper divisors (231738796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228670244 is a wasteful number, since it uses less digits than its factorization.

228670244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 228670244 is about 15121.8465803618. The cubic root of 228670244 is about 611.5095141646.

The spelling of 228670244 in words is "two hundred twenty-eight million, six hundred seventy thousand, two hundred forty-four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 523 836 1046 2092 5753 9937 11506 19874 23012 39748 109307 218614 273529 437228 547058 1094116 3008819 5197051 6017638 10394102 12035276 20788204 57167561 114335122 228670244