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2275208905 = 54389118903
BaseRepresentation
bin1000011110011100…
…1110111011001001
312212120012120212111
42013213032323021
514124423141110
61013433342321
7110244646054
oct20747167311
95776176774
102275208905
11a68329142
12535b679a1
132a34a5078
14178257a9b
15d4b25e8a
hex879ceec9

2275208905 has 16 divisors (see below), whose sum is σ = 2825159040. Its totient is φ = 1757847168.

The previous prime is 2275208899. The next prime is 2275208953. The reversal of 2275208905 is 5098025722.

It is a cyclic number.

It is not a de Polignac number, because 2275208905 - 225 = 2241654473 is a prime.

It is a super-3 number, since 3×22752089053 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40317 + ... + 78586.

It is an arithmetic number, because the mean of its divisors is an integer number (176572440).

Almost surely, 22275208905 is an apocalyptic number.

It is an amenable number.

2275208905 is a deficient number, since it is larger than the sum of its proper divisors (549950135).

2275208905 is a wasteful number, since it uses less digits than its factorization.

2275208905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119040.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 2275208905 is about 47699.1499400147. The cubic root of 2275208905 is about 1315.2463127783.

The spelling of 2275208905 in words is "two billion, two hundred seventy-five million, two hundred eight thousand, nine hundred five".

Divisors: 1 5 43 89 215 445 3827 19135 118903 594515 5112829 10582367 25564145 52911835 455041781 2275208905