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228260208 = 24311239301
BaseRepresentation
bin11011001101011…
…11100101110000
3120220111211010210
431212233211300
5431413311313
634352224120
75441115441
oct1546574560
9526454123
10228260208
11107935300
126453b040
13383a0417
142245b2c8
151508c9c3
hexd9af970

228260208 has 60 divisors (see below), whose sum is σ = 648168584. Its totient is φ = 69168000.

The previous prime is 228260191. The next prime is 228260239. The reversal of 228260208 is 802062822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13843 + ... + 25458.

Almost surely, 2228260208 is an apocalyptic number.

It is an amenable number.

228260208 is an abundant number, since it is smaller than the sum of its proper divisors (419908376).

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

228260208 is a wasteful number, since it uses less digits than its factorization.

228260208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39334 (or 39317 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 228260208 is about 15108.2827614524. The cubic root of 228260208 is about 611.1437896599.

The spelling of 228260208 in words is "two hundred twenty-eight million, two hundred sixty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 5808 39301 78602 117903 157204 235806 314408 432311 471612 628816 864622 943224 1296933 1729244 1886448 2593866 3458488 4755421 5187732 6916976 9510842 10375464 14266263 19021684 20750928 28532526 38043368 57065052 76086736 114130104 228260208