Base | Representation |
---|---|
bin | 10100101111101… |
… | …000101101000000 |
3 | 220020212211212222 |
4 | 110233220231000 |
5 | 1203044004213 |
6 | 54311310212 |
7 | 11424135665 |
oct | 2457505500 |
9 | 806784788 |
10 | 348031808 |
11 | 1695004a3 |
12 | 9867b368 |
13 | 571473a7 |
14 | 34317a6c |
15 | 2084a808 |
hex | 14be8b40 |
348031808 has 14 divisors (see below), whose sum is σ = 690625746. Its totient is φ = 174015872.
The previous prime is 348031799. The next prime is 348031819. The reversal of 348031808 is 808130843.
It can be written as a sum of positive squares in only one way, i.e., 336795904 + 11235904 = 18352^2 + 3352^2 .
It is a super-2 number, since 2×3480318082 = 242252278759497728, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718935 + ... + 2719062.
Almost surely, 2348031808 is an apocalyptic number.
It is an amenable number.
348031808 is a deficient number, since it is larger than the sum of its proper divisors (342593938).
348031808 is an equidigital number, since it uses as much as digits as its factorization.
348031808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5438009 (or 5437999 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 348031808 is about 18655.6106305851. The cubic root of 348031808 is about 703.4063952811.
The spelling of 348031808 in words is "three hundred forty-eight million, thirty-one thousand, eight hundred eight".
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