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5218284 = 223434857
BaseRepresentation
bin10011111001111111101100
3100211010010210
4103321333230
52313441114
6303502420
762232441
oct23717754
910733123
105218284
112a44635
1218b7a10
131109256
1499b9c8
156d1259
hex4f9fec

5218284 has 12 divisors (see below), whose sum is σ = 12176024. Its totient is φ = 1739424.

The previous prime is 5218277. The next prime is 5218307. The reversal of 5218284 is 4828125.

It is a tau number, because it is divible by the number of its divisors (12).

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, 217417 + ... + 217440.

Almost surely, 25218284 is an apocalyptic number.

It is an amenable number.

5218284 is an abundant number, since it is smaller than the sum of its proper divisors (6957740).

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

5218284 is a wasteful number, since it uses less digits than its factorization.

5218284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434864 (or 434862 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 5218284 is about 2284.3563644931. The cubic root of 5218284 is about 173.4506388715.

It can be divided in two parts, 52 and 18284, that added together give a triangular number (18336 = T191).

The spelling of 5218284 in words is "five million, two hundred eighteen thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 434857 869714 1304571 1739428 2609142 5218284