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1206224228 = 221127414187
BaseRepresentation
bin100011111100101…
…1000010101100100
310010001201112120102
41013321120111210
54432243133403
6315405323232
741614510466
oct10771302544
93101645512
101206224228
11569978130
12297b66518
13162b93561
14b62b0136
1570d69b88
hex47e58564

1206224228 has 12 divisors (see below), whose sum is σ = 2302791792. Its totient is φ = 548283720.

The previous prime is 1206224203. The next prime is 1206224269. The reversal of 1206224228 is 8224226021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206224228.

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, 13707050 + ... + 13707137.

It is an arithmetic number, because the mean of its divisors is an integer number (191899316).

Almost surely, 21206224228 is an apocalyptic number.

It is an amenable number.

1206224228 is a deficient number, since it is larger than the sum of its proper divisors (1096567564).

1206224228 is a wasteful number, since it uses less digits than its factorization.

1206224228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27414202 (or 27414200 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1206224228 is about 34730.7389498122. The cubic root of 1206224228 is about 1064.4926876198.

The spelling of 1206224228 in words is "one billion, two hundred six million, two hundred twenty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 44 27414187 54828374 109656748 301556057 603112114 1206224228