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2217130 = 25221713
BaseRepresentation
bin1000011101010010101010
311011122022221
420131102222
51031422010
6115304254
724562636
oct10352252
94148287
102217130
111284843
128ab08a
135c8216
14419dc6
152dbdda
hex21d4aa

2217130 has 8 divisors (see below), whose sum is σ = 3990852. Its totient is φ = 886848.

The previous prime is 2217113. The next prime is 2217143. The reversal of 2217130 is 317122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 9 = 1489^2 + 3^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110847 + ... + 110866.

22217130 is an apocalyptic number.

2217130 is a deficient number, since it is larger than the sum of its proper divisors (1773722).

2217130 is a wasteful number, since it uses less digits than its factorization.

2217130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221720.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2217130 is about 1489.0030221595. The cubic root of 2217130 is about 130.3958349254.

It can be divided in two parts, 22171 and 30, that added together give a square (22201 = 1492).

The spelling of 2217130 in words is "two million, two hundred seventeen thousand, one hundred thirty".

Divisors: 1 2 5 10 221713 443426 1108565 2217130