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198000228 = 22379331631
BaseRepresentation
bin10111100110100…
…11111001100100
3111210120110020210
423303103321210
5401142001403
631351455420
74622655066
oct1363237144
9453513223
10198000228
11a1847558
1256387570
1332036cca
141c421736
15125b1b03
hexbcd3e64

198000228 has 48 divisors (see below), whose sum is σ = 470005760. Its totient is φ = 64864800.

The previous prime is 198000227. The next prime is 198000233. The reversal of 198000228 is 822000891.

It is a junction number, because it is equal to n+sod(n) for n = 198000195 and 198000204.

It is not an unprimeable number, because it can be changed into a prime (198000221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313473 + ... + 314103.

Almost surely, 2198000228 is an apocalyptic number.

It is an amenable number.

198000228 is an abundant number, since it is smaller than the sum of its proper divisors (272005532).

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

198000228 is a wasteful number, since it uses less digits than its factorization.

198000228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 198000228 is about 14071.2553810952. The cubic root of 198000228 is about 582.8478920444.

The spelling of 198000228 in words is "one hundred ninety-eight million, two hundred twenty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 79 158 237 316 331 474 631 662 948 993 1262 1324 1893 1986 2524 3786 3972 7572 26149 49849 52298 78447 99698 104596 149547 156894 199396 208861 299094 313788 417722 598188 626583 835444 1253166 2506332 16500019 33000038 49500057 66000076 99000114 198000228