Base | Representation |
---|---|
bin | 11100011110000… |
… | …11100111110100 |
3 | 121122101201110020 |
4 | 32033003213310 |
5 | 442114444040 |
6 | 35410525140 |
7 | 5630001414 |
oct | 1617034764 |
9 | 548351406 |
10 | 238828020 |
11 | 1128a3032 |
12 | 67b967b0 |
13 | 3a630572 |
14 | 23a0c644 |
15 | 15e78cd0 |
hex | e3c39f4 |
238828020 has 48 divisors (see below), whose sum is σ = 684277440. Its totient is φ = 62205696.
The previous prime is 238828001. The next prime is 238828033. The reversal of 238828020 is 20828832.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43705 + ... + 48864.
It is an arithmetic number, because the mean of its divisors is an integer number (14255780).
Almost surely, 2238828020 is an apocalyptic number.
238828020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
238828020 is an abundant number, since it is smaller than the sum of its proper divisors (445449420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238828020 is a wasteful number, since it uses less digits than its factorization.
238828020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92624 (or 92622 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 238828020 is about 15454.0616020514. The cubic root of 238828020 is about 620.4332906008.
The spelling of 238828020 in words is "two hundred thirty-eight million, eight hundred twenty-eight thousand, twenty".
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