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2216484 = 22346841
BaseRepresentation
bin1000011101001000100100
311011121110000
420131020210
51031411414
6115301300
724561024
oct10351044
94147400
102216484
111284306
128aa830
135c7b3a
14419a84
152dbb09
hex21d224

2216484 has 30 divisors (see below), whose sum is σ = 5795174. Its totient is φ = 738720.

The previous prime is 2216479. The next prime is 2216519. The reversal of 2216484 is 4846122.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 142884 = 1440^2 + 378^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3097 + ... + 3744.

22216484 is an apocalyptic number.

It is an amenable number.

2216484 is an abundant number, since it is smaller than the sum of its proper divisors (3578690).

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

2216484 is a wasteful number, since it uses less digits than its factorization.

2216484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857 (or 6846 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2216484 is about 1488.7860826862. The cubic root of 2216484 is about 130.3831693183.

The spelling of 2216484 in words is "two million, two hundred sixteen thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 6841 13682 20523 27364 41046 61569 82092 123138 184707 246276 369414 554121 738828 1108242 2216484