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3825687080 = 235388924593
BaseRepresentation
bin1110010000000111…
…0101101000101000
3100212121201001002002
43210001311220220
530313333441310
61431341430132
7163542542435
oct34401655050
910777631062
103825687080
111693556366
128a926b348
1348c78c287
1428413ab8c
15175ce1da5
hexe4075a28

3825687080 has 32 divisors (see below), whose sum is σ = 8610359400. Its totient is φ = 1529819136.

The previous prime is 3825687001. The next prime is 3825687097. The reversal of 3825687080 is 807865283.

It can be written as a sum of positive squares in 4 ways, for example, as 2672269636 + 1153417444 = 51694^2 + 33962^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 143264 + ... + 167856.

Almost surely, 23825687080 is an apocalyptic number.

It is an amenable number.

3825687080 is an abundant number, since it is smaller than the sum of its proper divisors (4784672320).

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

3825687080 is a wasteful number, since it uses less digits than its factorization.

3825687080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28493 (or 28489 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 3825687080 is about 61852.1388474158. The cubic root of 3825687080 is about 1563.9990373771. Note that the first 3 decimals are identical.

The spelling of 3825687080 in words is "three billion, eight hundred twenty-five million, six hundred eighty-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 3889 7778 15556 19445 24593 31112 38890 49186 77780 98372 122965 155560 196744 245930 491860 983720 95642177 191284354 382568708 478210885 765137416 956421770 1912843540 3825687080