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228685355 = 5181252691
BaseRepresentation
bin11011010000101…
…11011000101011
3120221022102022222
431220113120223
5432020412410
634405304255
75444536103
oct1550273053
9527272288
10228685355
111080a5768
126470508b
13384bbaa2
142252c203
1515123955
hexda1762b

228685355 has 8 divisors (see below), whose sum is σ = 275939664. Its totient is φ = 181936800.

The previous prime is 228685339. The next prime is 228685363. The reversal of 228685355 is 553586822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228685355 - 24 = 228685339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125441 + ... + 127250.

It is an arithmetic number, because the mean of its divisors is an integer number (34492458).

Almost surely, 2228685355 is an apocalyptic number.

228685355 is a deficient number, since it is larger than the sum of its proper divisors (47254309).

228685355 is a wasteful number, since it uses less digits than its factorization.

228685355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252877.

The product of its digits is 576000, while the sum is 44.

The square root of 228685355 is about 15122.3462134683. The cubic root of 228685355 is about 611.5229838034.

The spelling of 228685355 in words is "two hundred twenty-eight million, six hundred eighty-five thousand, three hundred fifty-five".

Divisors: 1 5 181 905 252691 1263455 45737071 228685355