Base | Representation |
---|---|
bin | 11101101011101… |
… | …00001011011100 |
3 | 122100111220211212 |
4 | 32311310023130 |
5 | 1002220112010 |
6 | 40412403552 |
7 | 6112236434 |
oct | 1665641334 |
9 | 570456755 |
10 | 248988380 |
11 | 118602723 |
12 | 6b4765b8 |
13 | 3c77a104 |
14 | 250d52c4 |
15 | 16cd4505 |
hex | ed742dc |
248988380 has 24 divisors (see below), whose sum is σ = 529178832. Its totient is φ = 98394752.
The previous prime is 248988371. The next prime is 248988391. The reversal of 248988380 is 83889842.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73337 + ... + 76656.
It is an arithmetic number, because the mean of its divisors is an integer number (22049118).
Almost surely, 2248988380 is an apocalyptic number.
248988380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248988380 is an abundant number, since it is smaller than the sum of its proper divisors (280190452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248988380 is a wasteful number, since it uses less digits than its factorization.
248988380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150085 (or 150083 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 50.
The square root of 248988380 is about 15779.3656399743. The cubic root of 248988380 is about 629.1096687008.
The spelling of 248988380 in words is "two hundred forty-eight million, nine hundred eighty-eight thousand, three hundred eighty".
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