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2228068140 = 223537134469
BaseRepresentation
bin1000010011001101…
…1001111100101100
312202021111120220020
42010303121330230
514030341140030
61005031122140
7106133160324
oct20463317454
95667446806
102228068140
11a43760631
12522213350
132967ab21c
14171ca6284
15d0913510
hex84cd9f2c

2228068140 has 24 divisors (see below), whose sum is σ = 6238590960. Its totient is φ = 594151488.

The previous prime is 2228068133. The next prime is 2228068201. The reversal of 2228068140 is 418608222.

It is a happy number.

2228068140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18567175 + ... + 18567294.

It is an arithmetic number, because the mean of its divisors is an integer number (259941290).

Almost surely, 22228068140 is an apocalyptic number.

2228068140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228068140 is an abundant number, since it is smaller than the sum of its proper divisors (4010522820).

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

2228068140 is a wasteful number, since it uses less digits than its factorization.

2228068140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37134481 (or 37134479 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2228068140 is about 47202.4166754203. The cubic root of 2228068140 is about 1306.0991781483.

The spelling of 2228068140 in words is "two billion, two hundred twenty-eight million, sixty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 37134469 74268938 111403407 148537876 185672345 222806814 371344690 445613628 557017035 742689380 1114034070 2228068140