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8238828 = 2231352813
BaseRepresentation
bin11111011011011011101100
3120111120112210
4133123123230
54102120303
6452330420
7130012623
oct37333354
916446483
108238828
114717a54
122913a10
131926060
1411466ba
15acb203
hex7db6ec

8238828 has 24 divisors (see below), whose sum is σ = 20703088. Its totient is φ = 2534976.

The previous prime is 8238823. The next prime is 8238847. The reversal of 8238828 is 8288328.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (8238823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26251 + ... + 26562.

Almost surely, 28238828 is an apocalyptic number.

It is an amenable number.

8238828 is an abundant number, since it is smaller than the sum of its proper divisors (12464260).

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

8238828 is a wasteful number, since it uses less digits than its factorization.

8238828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52833 (or 52831 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 8238828 is about 2870.3358688488. The cubic root of 8238828 is about 201.9707502660.

The spelling of 8238828 in words is "eight million, two hundred thirty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 52813 105626 158439 211252 316878 633756 686569 1373138 2059707 2746276 4119414 8238828