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228752368 = 24131099771
BaseRepresentation
bin11011010001001…
…11101111110000
3120221102211020221
431220213233300
5432030033433
634410542424
75445235345
oct1550475760
9527384227
10228752368
11108141049
1264737a14
1338513440
14225487cc
151513872d
hexda27bf0

228752368 has 20 divisors (see below), whose sum is σ = 477301048. Its totient is φ = 105577920.

The previous prime is 228752311. The next prime is 228752369. The reversal of 228752368 is 863257822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228752369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549678 + ... + 550093.

Almost surely, 2228752368 is an apocalyptic number.

It is an amenable number.

228752368 is an abundant number, since it is smaller than the sum of its proper divisors (248548680).

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

228752368 is a wasteful number, since it uses less digits than its factorization.

228752368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099792 (or 1099786 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 228752368 is about 15124.5617457168. The cubic root of 228752368 is about 611.5827106822.

The spelling of 228752368 in words is "two hundred twenty-eight million, seven hundred fifty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 1099771 2199542 4399084 8798168 14297023 17596336 28594046 57188092 114376184 228752368