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228556064 = 2511649307
BaseRepresentation
bin11011001111101…
…11110100100000
3120221001211222102
431213313310200
5432002243224
634402425532
75443460132
oct1547676440
9527054872
10228556064
11108017610
12646622a8
1338474c99
14224d7052
15150ea4ae
hexd9f7d20

228556064 has 24 divisors (see below), whose sum is σ = 490876848. Its totient is φ = 103888960.

The previous prime is 228556039. The next prime is 228556091. The reversal of 228556064 is 460655822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324302 + ... + 325005.

It is an arithmetic number, because the mean of its divisors is an integer number (20453202).

Almost surely, 2228556064 is an apocalyptic number.

It is an amenable number.

228556064 is an abundant number, since it is smaller than the sum of its proper divisors (262320784).

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

228556064 is a wasteful number, since it uses less digits than its factorization.

228556064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649328 (or 649320 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 228556064 is about 15118.0707763921. The cubic root of 228556064 is about 611.4077172429.

The spelling of 228556064 in words is "two hundred twenty-eight million, five hundred fifty-six thousand, sixty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 649307 1298614 2597228 5194456 7142377 10388912 14284754 20777824 28569508 57139016 114278032 228556064