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228658348 = 224311532
BaseRepresentation
bin11011010000100…
…00110010101100
3120221021001021201
431220100302230
5432014031343
634404535244
75444364262
oct1550206254
9527231251
10228658348
11108087446
12646b1524
13384ac6c9
1422522432
151511a94d
hexda10cac

228658348 has 18 divisors (see below), whose sum is σ = 409813404. Its totient is φ = 111573504.

The previous prime is 228658333. The next prime is 228658361. The reversal of 228658348 is 843856822.

228658348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2286583482 = 104569280220178208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228658298 and 228658307.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197740 + ... + 198892.

Almost surely, 2228658348 is an apocalyptic number.

It is an amenable number.

228658348 is a deficient number, since it is larger than the sum of its proper divisors (181155056).

228658348 is an equidigital number, since it uses as much as digits as its factorization.

228658348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 1198 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 228658348 is about 15121.4532370404. The cubic root of 228658348 is about 611.4989098942.

It can be divided in two parts, 22865 and 8348, that added together give a palindrome (31213).

The spelling of 228658348 in words is "two hundred twenty-eight million, six hundred fifty-eight thousand, three hundred forty-eight".

Divisors: 1 2 4 43 86 172 1153 2306 4612 49579 99158 198316 1329409 2658818 5317636 57164587 114329174 228658348