Base | Representation |
---|---|
bin | 100000000110111… |
… | …001101000000000 |
3 | 1101112121202210000 |
4 | 200012321220000 |
5 | 2100400223213 |
6 | 125241440000 |
7 | 16230463032 |
oct | 4006715000 |
9 | 1345552700 |
10 | 538679808 |
11 | 257086127 |
12 | 1304a0000 |
13 | 877a8a64 |
14 | 51783c52 |
15 | 32458c73 |
hex | 201b9a00 |
538679808 has 200 divisors, whose sum is σ = 1663643520. Its totient is φ = 173352960.
The previous prime is 538679807. The next prime is 538679857. The reversal of 538679808 is 808976835.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (538679807) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1285423 + ... + 1285841.
Almost surely, 2538679808 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 538679808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831821760).
538679808 is an abundant number, since it is smaller than the sum of its proper divisors (1124963712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538679808 is an equidigital number, since it uses as much as digits as its factorization.
538679808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480 (or 455 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The square root of 538679808 is about 23209.4766851819. The cubic root of 538679808 is about 813.6611226171.
It can be divided in two parts, 53 and 8679808, that added together give a triangular number (8679861 = T4166).
The spelling of 538679808 in words is "five hundred thirty-eight million, six hundred seventy-nine thousand, eight hundred eight".
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