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2105422270 = 25789337949
BaseRepresentation
bin111110101111110…
…0011000110111110
312102201201112101121
41331133203012332
513302442003040
6544530301154
7103113536230
oct17537430676
95381645347
102105422270
11990501a06
124a91277ba
13277268bc3
1415d89c250
15c4c88c4a
hex7d7e31be

2105422270 has 32 divisors (see below), whose sum is σ = 4379832000. Its totient is φ = 713746176.

The previous prime is 2105422247. The next prime is 2105422321. The reversal of 2105422270 is 722245012.

It is a congruent number.

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, 162745 + ... + 175204.

It is an arithmetic number, because the mean of its divisors is an integer number (136869750).

Almost surely, 22105422270 is an apocalyptic number.

2105422270 is an abundant number, since it is smaller than the sum of its proper divisors (2274409730).

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

2105422270 is a wasteful number, since it uses less digits than its factorization.

2105422270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338052.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2105422270 is about 45884.8806253215. The cubic root of 2105422270 is about 1281.6803837661.

Adding to 2105422270 its reverse (722245012), we get a palindrome (2827667282).

The spelling of 2105422270 in words is "two billion, one hundred five million, four hundred twenty-two thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 89 178 445 623 890 1246 3115 6230 337949 675898 1689745 2365643 3379490 4731286 11828215 23656430 30077461 60154922 150387305 210542227 300774610 421084454 1052711135 2105422270