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2228395797 = 32412147293
BaseRepresentation
bin1000010011010010…
…1001111100010101
312202022010020100200
42010310221330111
514030432131142
61005042131113
7106136023515
oct20464517425
95668106320
102228395797
11a43964821
12522350a99
132968943c4
14171d4d845
15d097a64c
hex84d29f15

2228395797 has 18 divisors (see below), whose sum is σ = 3299238306. Its totient is φ = 1449353280.

The previous prime is 2228395789. The next prime is 2228395817. The reversal of 2228395797 is 7975938222.

It can be written as a sum of positive squares in 3 ways, for example, as 34503876 + 2193891921 = 5874^2 + 46839^2 .

It is not a de Polignac number, because 2228395797 - 23 = 2228395789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228395727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58518 + ... + 88775.

It is an arithmetic number, because the mean of its divisors is an integer number (183291017).

Almost surely, 22228395797 is an apocalyptic number.

It is an amenable number.

2228395797 is a deficient number, since it is larger than the sum of its proper divisors (1070842509).

2228395797 is a wasteful number, since it uses less digits than its factorization.

2228395797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147381 (or 147337 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 2228395797 is about 47205.8873129189. The cubic root of 2228395797 is about 1306.1631994641.

The spelling of 2228395797 in words is "two billion, two hundred twenty-eight million, three hundred ninety-five thousand, seven hundred ninety-seven".

Divisors: 1 3 9 41 123 369 1681 5043 15129 147293 441879 1325637 6039013 18117039 54351117 247599533 742798599 2228395797