Base | Representation |
---|---|
bin | 11100011110001… |
… | …01001001101000 |
3 | 121122102001001002 |
4 | 32033011021220 |
5 | 442120144110 |
6 | 35411014132 |
7 | 5630025566 |
oct | 1617051150 |
9 | 548361032 |
10 | 238834280 |
11 | 1128a7803 |
12 | 67b9a348 |
13 | 3a633379 |
14 | 23a10a36 |
15 | 15e7aaa5 |
hex | e3c5268 |
238834280 has 16 divisors (see below), whose sum is σ = 537377220. Its totient is φ = 95533696.
The previous prime is 238834249. The next prime is 238834327. The reversal of 238834280 is 82438832.
It can be written as a sum of positive squares in 2 ways, for example, as 223263364 + 15570916 = 14942^2 + 3946^2 .
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 3 ways as a sum of consecutive naturals, for example, 2985389 + ... + 2985468.
Almost surely, 2238834280 is an apocalyptic number.
238834280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
238834280 is an abundant number, since it is smaller than the sum of its proper divisors (298542940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238834280 is a wasteful number, since it uses less digits than its factorization.
238834280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5970868 (or 5970864 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 38.
The square root of 238834280 is about 15454.2641364770. The cubic root of 238834280 is about 620.4387113473.
The spelling of 238834280 in words is "two hundred thirty-eight million, eight hundred thirty-four thousand, two hundred eighty".
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