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228809635 = 5233495701
BaseRepresentation
bin11011010001101…
…01101110100011
3120221112201210221
431220311232203
5432033402020
634412103511
75445564325
oct1550655643
9527481727
10228809635
1110818007a
1264764b97
1338533522
1422561615
151514a6aa
hexda35ba3

228809635 has 16 divisors (see below), whose sum is σ = 287380800. Its totient is φ = 174556800.

The previous prime is 228809599. The next prime is 228809653. The reversal of 228809635 is 536908822.

It is not a de Polignac number, because 228809635 - 29 = 228809123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228809591 and 228809600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37285 + ... + 42985.

It is an arithmetic number, because the mean of its divisors is an integer number (17961300).

Almost surely, 2228809635 is an apocalyptic number.

228809635 is a deficient number, since it is larger than the sum of its proper divisors (58571165).

228809635 is a wasteful number, since it uses less digits than its factorization.

228809635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 228809635 is about 15126.4548060674. The cubic root of 228809635 is about 611.6337419716.

The spelling of 228809635 in words is "two hundred twenty-eight million, eight hundred nine thousand, six hundred thirty-five".

Divisors: 1 5 23 115 349 1745 5701 8027 28505 40135 131123 655615 1989649 9948245 45761927 228809635