Base | Representation |
---|---|
bin | 11100011011011… |
… | …10110100101000 |
3 | 121121202001222210 |
4 | 32031232310220 |
5 | 442022340210 |
6 | 35355245120 |
7 | 5624023644 |
oct | 1615566450 |
9 | 547661883 |
10 | 238480680 |
11 | 112686079 |
12 | 67a497a0 |
13 | 3a53b439 |
14 | 2395bc24 |
15 | 15e0ae20 |
hex | e36ed28 |
238480680 has 32 divisors (see below), whose sum is σ = 715442400. Its totient is φ = 63594816.
The previous prime is 238480667. The next prime is 238480681. The reversal of 238480680 is 86084832.
It is not an unprimeable number, because it can be changed into a prime (238480681) 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, 993550 + ... + 993789.
It is an arithmetic number, because the mean of its divisors is an integer number (22357575).
Almost surely, 2238480680 is an apocalyptic number.
238480680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
238480680 is an abundant number, since it is smaller than the sum of its proper divisors (476961720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238480680 is a wasteful number, since it uses less digits than its factorization.
238480680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1987353 (or 1987349 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 238480680 is about 15442.8196907171. The cubic root of 238480680 is about 620.1323685465.
The spelling of 238480680 in words is "two hundred thirty-eight million, four hundred eighty thousand, six hundred eighty".
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