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2228205745 = 51454330643
BaseRepresentation
bin1000010011001111…
…1011100010110001
312202021202120122201
42010303323202301
514030410040440
61005034103201
7106134302443
oct20463734261
95667676581
102228205745
11a43844a57
1252227ab01
13296828a4c
14171d00493
15d093e19a
hex84cfb8b1

2228205745 has 8 divisors (see below), whose sum is σ = 2674118016. Its totient is φ = 1782383856.

The previous prime is 2228205737. The next prime is 2228205757. The reversal of 2228205745 is 5475028222.

2228205745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2228205745 - 23 = 2228205737 is a prime.

It is a Duffinian number.

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, 57394 + ... + 88036.

It is an arithmetic number, because the mean of its divisors is an integer number (334264752).

Almost surely, 22228205745 is an apocalyptic number.

It is an amenable number.

2228205745 is a deficient number, since it is larger than the sum of its proper divisors (445912271).

2228205745 is a wasteful number, since it uses less digits than its factorization.

2228205745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45191.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 2228205745 is about 47203.8742583699. The cubic root of 2228205745 is about 1306.1260657278.

The spelling of 2228205745 in words is "two billion, two hundred twenty-eight million, two hundred five thousand, seven hundred forty-five".

Divisors: 1 5 14543 30643 72715 153215 445641149 2228205745