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228672234 = 235767217
BaseRepresentation
bin11011010000101…
…00001011101010
3120221021202100000
431220110023222
5432020002414
634405123430
75444452620
oct1550241352
9527252300
10228672234
1110809691a
12646b9576
13384b5b1b
1422527510
151511eb09
hexda142ea

228672234 has 48 divisors (see below), whose sum is σ = 587216448. Its totient is φ = 65333952.

The previous prime is 228672229. The next prime is 228672251. The reversal of 228672234 is 432276822.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30207 + ... + 37010.

It is an arithmetic number, because the mean of its divisors is an integer number (12233676).

Almost surely, 2228672234 is an apocalyptic number.

228672234 is an abundant number, since it is smaller than the sum of its proper divisors (358544214).

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

228672234 is an equidigital number, since it uses as much as digits as its factorization.

228672234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67241 (or 67229 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 228672234 is about 15121.9123790611. The cubic root of 228672234 is about 611.5112880442.

The spelling of 228672234 in words is "two hundred twenty-eight million, six hundred seventy-two thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 1134 1701 3402 67217 134434 201651 403302 470519 604953 941038 1209906 1411557 1814859 2823114 3629718 4234671 5444577 8469342 10889154 12704013 16333731 25408026 32667462 38112039 76224078 114336117 228672234