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228118248 = 23334632281
BaseRepresentation
bin11011001100011…
…00111011101000
3120220020121102000
431212030323220
5431344240443
634345211000
75436654531
oct1546147350
9526217360
10228118248
11107848686
1264490a60
1338350917
1422421688
15150608d3
hexd98cee8

228118248 has 64 divisors (see below), whose sum is σ = 635308800. Its totient is φ = 75841920.

The previous prime is 228118229. The next prime is 228118271. The reversal of 228118248 is 842811822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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, 98868 + ... + 101148.

It is an arithmetic number, because the mean of its divisors is an integer number (9926700).

Almost surely, 2228118248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228118248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317654400).

228118248 is an abundant number, since it is smaller than the sum of its proper divisors (407190552).

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

228118248 is a wasteful number, since it uses less digits than its factorization.

228118248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2749 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 228118248 is about 15103.5839455409. The cubic root of 228118248 is about 611.0170688371.

The spelling of 228118248 in words is "two hundred twenty-eight million, one hundred eighteen thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 463 926 1389 1852 2281 2778 3704 4167 4562 5556 6843 8334 9124 11112 12501 13686 16668 18248 20529 25002 27372 33336 41058 50004 54744 61587 82116 100008 123174 164232 246348 492696 1056103 2112206 3168309 4224412 6336618 8448824 9504927 12673236 19009854 25346472 28514781 38019708 57029562 76039416 114059124 228118248