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228043770 = 2357996221
BaseRepresentation
bin11011001011110…
…10101111111010
3120220002211020120
431211322233322
5431334400040
634343434110
75436224433
oct1545725772
9526084216
10228043770
111077a7729
1264455936
1338325a56
142240248a
15150487d0
hexd97abfa

228043770 has 32 divisors (see below), whose sum is σ = 554238720. Its totient is φ = 60041280.

The previous prime is 228043769. The next prime is 228043771. The reversal of 228043770 is 77340822.

It is an interprime number because it is at equal distance from previous prime (228043769) and next prime (228043771).

It is a super-2 number, since 2×2280437702 = 104007922071625800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228043771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45741 + ... + 50480.

It is an arithmetic number, because the mean of its divisors is an integer number (17319960).

Almost surely, 2228043770 is an apocalyptic number.

228043770 is an abundant number, since it is smaller than the sum of its proper divisors (326194950).

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

228043770 is a wasteful number, since it uses less digits than its factorization.

228043770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96310.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 228043770 is about 15101.1181705197. The cubic root of 228043770 is about 610.9505649031.

The spelling of 228043770 in words is "two hundred twenty-eight million, forty-three thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 96221 192442 288663 481105 577326 962210 1443315 2886630 7601459 15202918 22804377 38007295 45608754 76014590 114021885 228043770