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228955556 = 22371546997
BaseRepresentation
bin11011010010110…
…01010110100100
3120221211010222102
431221121112210
5432103034211
634415151232
75450042624
oct1551312644
9527733872
10228955556
1110826a775
1264815518
1338584a7b
142259c884
1515178a3b
hexda595a4

228955556 has 12 divisors (see below), whose sum is σ = 411501468. Its totient is φ = 111383712.

The previous prime is 228955537. The next prime is 228955561. The reversal of 228955556 is 655559822.

228955556 is digitally balanced in base 2, 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 147233956 + 81721600 = 12134^2 + 9040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228955556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773351 + ... + 773646.

It is an arithmetic number, because the mean of its divisors is an integer number (34291789).

Almost surely, 2228955556 is an apocalyptic number.

It is an amenable number.

228955556 is a deficient number, since it is larger than the sum of its proper divisors (182545912).

228955556 is a wasteful number, since it uses less digits than its factorization.

228955556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547038 (or 1547036 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 47.

The square root of 228955556 is about 15131.2774080710. The cubic root of 228955556 is about 611.7637353919.

The spelling of 228955556 in words is "two hundred twenty-eight million, nine hundred fifty-five thousand, five hundred fifty-six".

Divisors: 1 2 4 37 74 148 1546997 3093994 6187988 57238889 114477778 228955556