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228714585 = 35111386149
BaseRepresentation
bin11011010000111…
…10100001011001
3120221100220102120
431220132201121
5432022331320
634410051453
75445020241
oct1550364131
9527326376
10228714585
11108115720
1264719b89
13384cc198
1422538b21
151512c440
hexda1e859

228714585 has 16 divisors (see below), whose sum is σ = 399211200. Its totient is φ = 110891840.

The previous prime is 228714581. The next prime is 228714589. The reversal of 228714585 is 585417822.

228714585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228714581) and next prime (228714589).

It is not a de Polignac number, because 228714585 - 22 = 228714581 is a prime.

It is a super-2 number, since 2×2287145852 = 104620722783444450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (228714581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692910 + ... + 693239.

It is an arithmetic number, because the mean of its divisors is an integer number (24950700).

Almost surely, 2228714585 is an apocalyptic number.

It is an amenable number.

228714585 is a deficient number, since it is larger than the sum of its proper divisors (170496615).

228714585 is a wasteful number, since it uses less digits than its factorization.

228714585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386168.

The product of its digits is 179200, while the sum is 42.

The square root of 228714585 is about 15123.3126331502. The cubic root of 228714585 is about 611.5490371483.

The spelling of 228714585 in words is "two hundred twenty-eight million, seven hundred fourteen thousand, five hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 1386149 4158447 6930745 15247639 20792235 45742917 76238195 228714585