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3860385425 = 521311878109
BaseRepresentation
bin1110011000011000…
…1100111010010001
3100222000222220020222
43212012030322101
530401224313200
61435021242425
7164443510001
oct34606147221
910860886228
103860385425
1117010a5786
128b8a03415
13496a1a940
142889b0001
15178d97d85
hexe618ce91

3860385425 has 12 divisors (see below), whose sum is σ = 5155099740. Its totient is φ = 2850745920.

The previous prime is 3860385407. The next prime is 3860385437. The reversal of 3860385425 is 5245830683.

It is a Cunningham number, because it is equal to 621322+1.

It can be written as a sum of positive squares in 6 ways, for example, as 302620816 + 3557764609 = 17396^2 + 59647^2 .

It is not a de Polignac number, because 3860385425 - 210 = 3860384401 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5938730 + ... + 5939379.

It is an arithmetic number, because the mean of its divisors is an integer number (429591645).

Almost surely, 23860385425 is an apocalyptic number.

It is an amenable number.

3860385425 is a deficient number, since it is larger than the sum of its proper divisors (1294714315).

3860385425 is a wasteful number, since it uses less digits than its factorization.

3860385425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11878132 (or 11878127 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 3860385425 is about 62132.0000080474. Note that the first 5 decimals coincide. The cubic root of 3860385425 is about 1568.7132173404.

The spelling of 3860385425 in words is "three billion, eight hundred sixty million, three hundred eighty-five thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 11878109 59390545 154415417 296952725 772077085 3860385425