Search a number
-
+
228247318 = 21338322921
BaseRepresentation
bin11011001101011…
…00011100010110
3120220111011110101
431212230130112
5431412403233
634352044314
75441033035
oct1546543426
9526434411
10228247318
11107926652
126453369a
13383975b0
142245671c
1515088c7d
hexd9ac716

228247318 has 16 divisors (see below), whose sum is σ = 369686016. Its totient is φ = 105065280.

The previous prime is 228247301. The next prime is 228247337. The reversal of 228247318 is 813742822.

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, 1503 + ... + 21418.

It is an arithmetic number, because the mean of its divisors is an integer number (23105376).

Almost surely, 2228247318 is an apocalyptic number.

228247318 is a deficient number, since it is larger than the sum of its proper divisors (141438698).

228247318 is a wasteful number, since it uses less digits than its factorization.

228247318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23319.

The product of its digits is 43008, while the sum is 37.

The square root of 228247318 is about 15107.8561682325. The cubic root of 228247318 is about 611.1322855498.

The spelling of 228247318 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, three hundred eighteen".

Divisors: 1 2 13 26 383 766 4979 9958 22921 45842 297973 595946 8778743 17557486 114123659 228247318