Base | Representation |
---|---|
bin | 11110010010000… |
… | …001001000001000 |
3 | 1022101222002102202 |
4 | 132102001020020 |
5 | 2020024232223 |
6 | 122225015332 |
7 | 15406160162 |
oct | 3622011010 |
9 | 1271862382 |
10 | 508039688 |
11 | 240858812 |
12 | 122184548 |
13 | 8133b600 |
14 | 4b689932 |
15 | 2e905428 |
hex | 1e481208 |
508039688 has 36 divisors (see below), whose sum is σ = 1033171335. Its totient is φ = 234097344.
The previous prime is 508039673. The next prime is 508039699. The reversal of 508039688 is 886930805.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 54434884 + 453604804 = 7378^2 + 21298^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=15938.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 828470 + ... + 829082.
Almost surely, 2508039688 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 508039688
508039688 is an abundant number, since it is smaller than the sum of its proper divisors (525131647).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
508039688 is an equidigital number, since it uses as much as digits as its factorization.
508039688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1258 (or 628 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 508039688 is about 22539.7357571024. The cubic root of 508039688 is about 797.9319963072.
The spelling of 508039688 in words is "five hundred eight million, thirty-nine thousand, six hundred eighty-eight".
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