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3856712286 = 237213118069
BaseRepresentation
bin1110010111100000…
…1100001001011110
3100221210002021122210
43211320030021132
530344304243121
61434410421250
7164400341100
oct34570141136
910853067583
103856712286
1116aa017029
128b7731826
13496032a9b
142882d5570
151788be876
hexe5e0c25e

3856712286 has 24 divisors (see below), whose sum is σ = 8972759880. Its totient is φ = 1101917712.

The previous prime is 3856712281. The next prime is 3856712287. The reversal of 3856712286 is 6822176583.

3856712286 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856712281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6558741 + ... + 6559328.

It is an arithmetic number, because the mean of its divisors is an integer number (373864995).

Almost surely, 23856712286 is an apocalyptic number.

3856712286 is an abundant number, since it is smaller than the sum of its proper divisors (5116047594).

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

3856712286 is a wasteful number, since it uses less digits than its factorization.

3856712286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13118088 (or 13118081 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 3856712286 is about 62102.4338170413. The cubic root of 3856712286 is about 1568.2155183140.

The spelling of 3856712286 in words is "three billion, eight hundred fifty-six million, seven hundred twelve thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 13118069 26236138 39354207 78708414 91826483 183652966 275479449 550958898 642785381 1285570762 1928356143 3856712286