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228875288 = 2328609411
BaseRepresentation
bin11011010010001…
…01110000011000
3120221200001212112
431221011300120
5432043002123
634413331452
75446256615
oct1551056030
9527601775
10228875288
11108215434
1264796b88
1338557385
142257b50c
151515ed78
hexda45c18

228875288 has 8 divisors (see below), whose sum is σ = 429141180. Its totient is φ = 114437640.

The previous prime is 228875281. The next prime is 228875291. The reversal of 228875288 is 882578822.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228875281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14304698 + ... + 14304713.

Almost surely, 2228875288 is an apocalyptic number.

It is an amenable number.

228875288 is a deficient number, since it is larger than the sum of its proper divisors (200265892).

228875288 is a wasteful number, since it uses less digits than its factorization.

228875288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28609417 (or 28609413 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 50.

The square root of 228875288 is about 15128.6247887903. The cubic root of 228875288 is about 611.6922356477.

The spelling of 228875288 in words is "two hundred twenty-eight million, eight hundred seventy-five thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 28609411 57218822 114437644 228875288