Base | Representation |
---|---|
bin | 11100011110010… |
… | …11101000010000 |
3 | 121122110101102220 |
4 | 32033023220100 |
5 | 442122021231 |
6 | 35411341040 |
7 | 5630166135 |
oct | 1617135020 |
9 | 548411386 |
10 | 238860816 |
11 | 112915737 |
12 | 67bb1780 |
13 | 3a64247c |
14 | 23a1a58c |
15 | 15e83896 |
hex | e3cba10 |
238860816 has 40 divisors (see below), whose sum is σ = 618487200. Its totient is φ = 79435776.
The previous prime is 238860779. The next prime is 238860823. The reversal of 238860816 is 618068832.
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 7 ways as a sum of consecutive naturals, for example, 16011 + ... + 27093.
It is an arithmetic number, because the mean of its divisors is an integer number (15462180).
Almost surely, 2238860816 is an apocalyptic number.
It is an amenable number.
238860816 is an abundant number, since it is smaller than the sum of its proper divisors (379626384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238860816 is a wasteful number, since it uses less digits than its factorization.
238860816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11543 (or 11537 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 238860816 is about 15455.1226459061. The cubic root of 238860816 is about 620.4616887188.
The spelling of 238860816 in words is "two hundred thirty-eight million, eight hundred sixty thousand, eight hundred sixteen".
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