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228363556 = 22371542997
BaseRepresentation
bin11011001110010…
…00110100100100
3120220201001220111
431213020310210
5431430113211
634354342404
75442025651
oct1547106444
9526631814
10228363556
111079a5a13
126458aa04
1338408485
1422486c28
15150ad421
hexd9c8d24

228363556 has 12 divisors (see below), whose sum is σ = 410437468. Its totient is φ = 111095712.

The previous prime is 228363547. The next prime is 228363557. The reversal of 228363556 is 655363822.

228363556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 218566656 + 9796900 = 14784^2 + 3130^2 .

It is not an unprimeable number, because it can be changed into a prime (228363557) 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 3 ways as a sum of consecutive naturals, for example, 771351 + ... + 771646.

Almost surely, 2228363556 is an apocalyptic number.

It is an amenable number.

228363556 is a deficient number, since it is larger than the sum of its proper divisors (182073912).

228363556 is a wasteful number, since it uses less digits than its factorization.

228363556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543038 (or 1543036 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 228363556 is about 15111.7026175081. The cubic root of 228363556 is about 611.2360103745.

The spelling of 228363556 in words is "two hundred twenty-eight million, three hundred sixty-three thousand, five hundred fifty-six".

Divisors: 1 2 4 37 74 148 1542997 3085994 6171988 57090889 114181778 228363556