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385504808 = 23133706777
BaseRepresentation
bin10110111110100…
…101011000101000
3222212101200011212
4112332211120220
51242142123213
6102130412252
712360510503
oct2676453050
9885350155
10385504808
11188675517
12a9131088
1361b37970
14392b013a
1523c9d9a8
hex16fa5628

385504808 has 16 divisors (see below), whose sum is σ = 778423380. Its totient is φ = 177925248.

The previous prime is 385504789. The next prime is 385504829. The reversal of 385504808 is 808405583.

It can be written as a sum of positive squares in 2 ways, for example, as 381733444 + 3771364 = 19538^2 + 1942^2 .

It is a super-2 number, since 2×3855048082 = 297227913982233728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853285 + ... + 1853492.

Almost surely, 2385504808 is an apocalyptic number.

It is an amenable number.

385504808 is an abundant number, since it is smaller than the sum of its proper divisors (392918572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385504808 is a wasteful number, since it uses less digits than its factorization.

385504808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706796 (or 3706792 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 385504808 is about 19634.2763553944. The cubic root of 385504808 is about 727.7964501568.

The spelling of 385504808 in words is "three hundred eighty-five million, five hundred four thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 3706777 7413554 14827108 29654216 48188101 96376202 192752404 385504808