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8214282 = 232456349
BaseRepresentation
bin11111010101011100001010
3120110022212200
4133111130022
54100324112
6452021030
7126551226
oct37253412
916408780
108214282
11470056a
122901776
131917b2b
14113b786
15ac3cdc
hex7d570a

8214282 has 12 divisors (see below), whose sum is σ = 17797650. Its totient is φ = 2738088.

The previous prime is 8214263. The next prime is 8214293. The reversal of 8214282 is 2824128.

It can be written as a sum of positive squares in only one way, i.e., 8173881 + 40401 = 2859^2 + 201^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228157 + ... + 228192.

Almost surely, 28214282 is an apocalyptic number.

8214282 is an abundant number, since it is smaller than the sum of its proper divisors (9583368).

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

8214282 is a wasteful number, since it uses less digits than its factorization.

8214282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456357 (or 456354 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 8214282 is about 2866.0568731273. The cubic root of 8214282 is about 201.7699731013.

The spelling of 8214282 in words is "eight million, two hundred fourteen thousand, two hundred eighty-two".

Divisors: 1 2 3 6 9 18 456349 912698 1369047 2738094 4107141 8214282