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2217413285 = 51972419341
BaseRepresentation
bin1000010000101011…
…0000101010100101
312201112110021011222
42010022300222211
514020124211120
61004010510125
7105643462523
oct20412605245
95645407158
102217413285
11a3874346a
1251a735345
1329451a589
141706d1313
15cea0b525
hex842b0aa5

2217413285 has 16 divisors (see below), whose sum is σ = 2685787632. Its totient is φ = 1757414400.

The previous prime is 2217413251. The next prime is 2217413299. The reversal of 2217413285 is 5823147122.

It can be written as a sum of positive squares in 8 ways, for example, as 168402529 + 2049010756 = 12977^2 + 45266^2 .

It is not a de Polignac number, because 2217413285 - 212 = 2217409189 is a prime.

It is a Duffinian number.

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, 232715 + ... + 242055.

It is an arithmetic number, because the mean of its divisors is an integer number (167861727).

Almost surely, 22217413285 is an apocalyptic number.

It is an amenable number.

2217413285 is a deficient number, since it is larger than the sum of its proper divisors (468374347).

2217413285 is a wasteful number, since it uses less digits than its factorization.

2217413285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784.

The product of its digits is 26880, while the sum is 35.

The square root of 2217413285 is about 47089.4179726189. The cubic root of 2217413285 is about 1304.0138829255.

The spelling of 2217413285 in words is "two billion, two hundred seventeen million, four hundred thirteen thousand, two hundred eighty-five".

Divisors: 1 5 197 241 985 1205 9341 46705 47477 237385 1840177 2251181 9200885 11255905 443482657 2217413285