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633228 = 22352769
BaseRepresentation
bin10011010100110001100
31012011121220
42122212030
5130230403
621323340
75245101
oct2324614
91164556
10633228
113a2832
12266550
131922bb
14126aa8
15c7953
hex9a98c

633228 has 12 divisors (see below), whose sum is σ = 1477560. Its totient is φ = 211072.

The previous prime is 633221. The next prime is 633253. The reversal of 633228 is 822336.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 64 + 37 + 215 + 312 + 215 + 85 .

It is a junction number, because it is equal to n+sod(n) for n = 633198 and 633207.

It is not an unprimeable number, because it can be changed into a prime (633221) by changing a digit.

633228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26373 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (123130).

2633228 is an apocalyptic number.

It is an amenable number.

633228 is an abundant number, since it is smaller than the sum of its proper divisors (844332).

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

633228 is a wasteful number, since it uses less digits than its factorization.

633228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52776 (or 52774 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 633228 is about 795.7562440848. The cubic root of 633228 is about 85.8723543528.

It can be divided in two parts, 633 and 228, that added together give a triangular number (861 = T41).

The spelling of 633228 in words is "six hundred thirty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 52769 105538 158307 211076 316614 633228