Base | Representation |
---|---|
bin | 1100001000011… |
… | …0010100010000 |
3 | 10112202001201102 |
4 | 3002012110100 |
5 | 101011204213 |
6 | 5014323532 |
7 | 1155326315 |
oct | 302062420 |
9 | 115661642 |
10 | 50881808 |
11 | 267a328a |
12 | 150595a8 |
13 | a7068a3 |
14 | 6a86d0c |
15 | 4701158 |
hex | 3086510 |
50881808 has 40 divisors (see below), whose sum is σ = 102980760. Its totient is φ = 24330240.
The previous prime is 50881807. The next prime is 50881813. The reversal of 50881808 is 80818805.
It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 50865424 = 128^2 + 7132^2 .
It is not an unprimeable number, because it can be changed into a prime (50881807) 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, 35408 + ... + 36816.
It is an arithmetic number, because the mean of its divisors is an integer number (2574519).
Almost surely, 250881808 is an apocalyptic number.
It is an amenable number.
50881808 is an abundant number, since it is smaller than the sum of its proper divisors (52098952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50881808 is a wasteful number, since it uses less digits than its factorization.
50881808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1515 (or 1509 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 38.
The square root of 50881808 is about 7133.1485334318. The cubic root of 50881808 is about 370.5562803525.
The spelling of 50881808 in words is "fifty million, eight hundred eighty-one thousand, eight hundred eight".
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