Search a number
-
+
228102706 = 21337673539
BaseRepresentation
bin11011001100010…
…01001000110010
3120220012211002101
431212021020302
5431343241311
634345011014
75436561316
oct1546111062
9526184071
10228102706
11107837a37
1264483a6a
1338346820
1422419b46
151505aec1
hexd989232

228102706 has 32 divisors (see below), whose sum is σ = 384189120. Its totient is φ = 100875456.

The previous prime is 228102697. The next prime is 228102713. The reversal of 228102706 is 607201822.

228102706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62685 + ... + 66223.

It is an arithmetic number, because the mean of its divisors is an integer number (12005910).

Almost surely, 2228102706 is an apocalyptic number.

228102706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228102706 is a deficient number, since it is larger than the sum of its proper divisors (156086414).

228102706 is a wasteful number, since it uses less digits than its factorization.

228102706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 228102706 is about 15103.0694231338. The cubic root of 228102706 is about 611.0031920531.

The spelling of 228102706 in words is "two hundred twenty-eight million, one hundred two thousand, seven hundred six".

Divisors: 1 2 13 26 37 67 74 134 481 871 962 1742 2479 3539 4958 7078 32227 46007 64454 92014 130943 237113 261886 474226 1702259 3082469 3404518 6164938 8773181 17546362 114051353 228102706