Base | Representation |
---|---|
bin | 10000011001100… |
… | …111000000001000 |
3 | 201011202000012121 |
4 | 100121213000020 |
5 | 1030414230213 |
6 | 43145221024 |
7 | 6550504054 |
oct | 2031470010 |
9 | 634660177 |
10 | 275148808 |
11 | 131350410 |
12 | 78191774 |
13 | 4500955c |
14 | 28784c64 |
15 | 1925088d |
hex | 10667008 |
275148808 has 96 divisors (see below), whose sum is σ = 618912000. Its totient is φ = 113587200.
The previous prime is 275148803. The next prime is 275148817. The reversal of 275148808 is 808841572.
It is not an unprimeable number, because it can be changed into a prime (275148803) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788218 + ... + 788566.
It is an arithmetic number, because the mean of its divisors is an integer number (6447000).
Almost surely, 2275148808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 275148808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309456000).
275148808 is an abundant number, since it is smaller than the sum of its proper divisors (343763192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
275148808 is a wasteful number, since it uses less digits than its factorization.
275148808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431 (or 410 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 43.
The square root of 275148808 is about 16587.6100749927. The cubic root of 275148808 is about 650.4129982823.
The spelling of 275148808 in words is "two hundred seventy-five million, one hundred forty-eight thousand, eight hundred eight".
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