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4578228 = 223342391
BaseRepresentation
bin10001011101101110110100
322121121011000
4101131232310
52133000403
6242043300
753625414
oct21355664
98547130
104578228
112647766
121649530
13c43b15
14872644
156067a3
hex45dbb4

4578228 has 24 divisors (see below), whose sum is σ = 11869760. Its totient is φ = 1526040.

The previous prime is 4578227. The next prime is 4578241. The reversal of 4578228 is 8228754.

It is a happy number.

It is a super-3 number, since 3×45782283 (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 49 + 52 + 76 + 8 + 2 + 222 + 84 .

It is a junction number, because it is equal to n+sod(n) for n = 4578192 and 4578201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21088 + ... + 21303.

Almost surely, 24578228 is an apocalyptic number.

It is an amenable number.

4578228 is an abundant number, since it is smaller than the sum of its proper divisors (7291532).

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

4578228 is a wasteful number, since it uses less digits than its factorization.

4578228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42404 (or 42396 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4578228 is about 2139.6794152396. The cubic root of 4578228 is about 166.0475501271.

The spelling of 4578228 in words is "four million, five hundred seventy-eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 42391 84782 127173 169564 254346 381519 508692 763038 1144557 1526076 2289114 4578228