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348031808 = 265437997
BaseRepresentation
bin10100101111101…
…000101101000000
3220020212211212222
4110233220231000
51203044004213
654311310212
711424135665
oct2457505500
9806784788
10348031808
111695004a3
129867b368
13571473a7
1434317a6c
152084a808
hex14be8b40

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".

Divisors: 1 2 4 8 16 32 64 5437997 10875994 21751988 43503976 87007952 174015904 348031808