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228535044 = 223139913613
BaseRepresentation
bin11011001111100…
…10101100000100
3120221000210010220
431213302230010
5432001110134
634402144340
75443341633
oct1547625404
9527023126
10228535044
11108002841
12646520b0
133846854a
14224cd51a
15150e4149
hexd9f2b04

228535044 has 24 divisors (see below), whose sum is σ = 533668800. Its totient is φ = 76118304.

The previous prime is 228535039. The next prime is 228535079. The reversal of 228535044 is 440535822.

228535044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228534996 and 228535014.

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, 9982 + ... + 23594.

It is an arithmetic number, because the mean of its divisors is an integer number (22236200).

Almost surely, 2228535044 is an apocalyptic number.

It is an amenable number.

228535044 is an abundant number, since it is smaller than the sum of its proper divisors (305133756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228535044 is a wasteful number, since it uses less digits than its factorization.

228535044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15019 (or 15017 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 228535044 is about 15117.3755658844. The cubic root of 228535044 is about 611.3889732143.

The spelling of 228535044 in words is "two hundred twenty-eight million, five hundred thirty-five thousand, forty-four".

Divisors: 1 2 3 4 6 12 1399 2798 4197 5596 8394 13613 16788 27226 40839 54452 81678 163356 19044587 38089174 57133761 76178348 114267522 228535044