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228080226 = 23113455761
BaseRepresentation
bin11011001100000…
…11101001100010
3120220011200020210
431212003221202
5431342031401
634344314550
75436435633
oct1546035142
9526150223
10228080226
11107822060
1264472a56
133833951a
142241188a
15150544d6
hexd983a62

228080226 has 16 divisors (see below), whose sum is σ = 497629728. Its totient is φ = 69115200.

The previous prime is 228080221. The next prime is 228080227. The reversal of 228080226 is 622080822.

It is a super-2 number, since 2×2280802262 = 104041178984422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228080193 and 228080202.

It is not an unprimeable number, because it can be changed into a prime (228080221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727815 + ... + 1727946.

It is an arithmetic number, because the mean of its divisors is an integer number (31101858).

Almost surely, 2228080226 is an apocalyptic number.

228080226 is an abundant number, since it is smaller than the sum of its proper divisors (269549502).

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

228080226 is a wasteful number, since it uses less digits than its factorization.

228080226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455777.

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

The square root of 228080226 is about 15102.3251852157. The cubic root of 228080226 is about 610.9831195117.

The spelling of 228080226 in words is "two hundred twenty-eight million, eighty thousand, two hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 3455761 6911522 10367283 20734566 38013371 76026742 114040113 228080226