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228281016 = 23390710487
BaseRepresentation
bin11011001101101…
…00101010111000
3120220112212200110
431212310222320
5431414443031
634352504320
75441233215
oct1546645270
9526485613
10228281016
111079499a7
126454b0a0
13383a9a32
1422464b0c
1515093c46
hexd9b4ab8

228281016 has 32 divisors (see below), whose sum is σ = 571386240. Its totient is φ = 76002528.

The previous prime is 228280909. The next prime is 228281041. The reversal of 228281016 is 610182822.

It is a super-2 number, since 2×2282810162 = 104224444531984512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16525 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (17855820).

Almost surely, 2228281016 is an apocalyptic number.

It is an amenable number.

228281016 is an abundant number, since it is smaller than the sum of its proper divisors (343105224).

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

228281016 is a wasteful number, since it uses less digits than its factorization.

228281016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403 (or 11399 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 228281016 is about 15108.9713746502. The cubic root of 228281016 is about 611.1623595393.

The spelling of 228281016 in words is "two hundred twenty-eight million, two hundred eighty-one thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 907 1814 2721 3628 5442 7256 10487 10884 20974 21768 31461 41948 62922 83896 125844 251688 9511709 19023418 28535127 38046836 57070254 76093672 114140508 228281016