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3895725855 = 3572312231319
BaseRepresentation
bin1110100000110100…
…0000111100011111
3101001111111101012210
43220031000330133
530434301211410
61442322531503
7165353060220
oct35015007437
911044441183
103895725855
11171a04354a
12908806b93
134a1142638
1428d56d247
1517c029220
hexe8340f1f

3895725855 has 64 divisors (see below), whose sum is σ = 7445053440. Its totient is φ = 1700789376.

The previous prime is 3895725853. The next prime is 3895725881. The reversal of 3895725855 is 5585275983.

3895725855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3895725855 - 21 = 3895725853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3895725795 and 3895725804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895725853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2952886 + ... + 2954204.

It is an arithmetic number, because the mean of its divisors is an integer number (116328960).

Almost surely, 23895725855 is an apocalyptic number.

3895725855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3895725855 is a deficient number, since it is larger than the sum of its proper divisors (3549327585).

3895725855 is a wasteful number, since it uses less digits than its factorization.

3895725855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580.

The product of its digits is 15120000, while the sum is 57.

The square root of 3895725855 is about 62415.7500555749. The cubic root of 3895725855 is about 1573.4856838260.

The spelling of 3895725855 in words is "three billion, eight hundred ninety-five million, seven hundred twenty-five thousand, eight hundred fifty-five".

Divisors: 1 3 5 7 15 21 23 35 69 105 115 161 345 483 805 1223 1319 2415 3669 3957 6115 6595 8561 9233 18345 19785 25683 27699 28129 30337 42805 46165 84387 91011 128415 138495 140645 151685 196903 212359 421935 455055 590709 637077 984515 1061795 1613137 2953545 3185385 4839411 8065685 11291959 24197055 33875877 37102151 56459795 111306453 169379385 185510755 259715057 556532265 779145171 1298575285 3895725855