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2585857364 = 221983409933
BaseRepresentation
bin1001101000100001…
…0000110101010100
320200012202011102222
42122020100311110
520243434413424
61104331521512
7121036265516
oct23210206524
96605664388
102585857364
111107715a02
12601bb9298
1332296091c
141a75ddbb6
15102039e5e
hex9a210d54

2585857364 has 24 divisors (see below), whose sum is σ = 4820823840. Its totient is φ = 1210119264.

The previous prime is 2585857357. The next prime is 2585857367. The reversal of 2585857364 is 4637585852.

It is a super-3 number, since 3×25858573643 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585857367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198659 + ... + 211274.

It is an arithmetic number, because the mean of its divisors is an integer number (200867660).

Almost surely, 22585857364 is an apocalyptic number.

It is an amenable number.

2585857364 is a deficient number, since it is larger than the sum of its proper divisors (2234966476).

2585857364 is a wasteful number, since it uses less digits than its factorization.

2585857364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410039 (or 410037 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 53.

The square root of 2585857364 is about 50851.3260790709. The cubic root of 2585857364 is about 1372.5711150131.

The spelling of 2585857364 in words is "two billion, five hundred eighty-five million, eight hundred fifty-seven thousand, three hundred sixty-four".

Divisors: 1 2 4 19 38 76 83 166 332 1577 3154 6308 409933 819866 1639732 7788727 15577454 31154908 34024439 68048878 136097756 646464341 1292928682 2585857364