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2585170852 = 2211127462629
BaseRepresentation
bin1001101000010110…
…1001001110100100
320200011110021201121
42122011221032210
520243300431402
61104305103324
7121030406155
oct23205511644
96604407647
102585170852
111107297140
12601927b44
133227802c4
141a74a192c
15101e51837
hex9a1693a4

2585170852 has 24 divisors (see below), whose sum is σ = 4974197760. Its totient is φ = 1165822560.

The previous prime is 2585170843. The next prime is 2585170873. The reversal of 2585170852 is 2580715852.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2585170799 and 2585170808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225727 + ... + 236902.

It is an arithmetic number, because the mean of its divisors is an integer number (207258240).

Almost surely, 22585170852 is an apocalyptic number.

2585170852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2585170852 is a deficient number, since it is larger than the sum of its proper divisors (2389026908).

2585170852 is a wasteful number, since it uses less digits than its factorization.

2585170852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462771 (or 462769 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 2585170852 is about 50844.5754432073. The cubic root of 2585170852 is about 1372.4496375803.

The spelling of 2585170852 in words is "two billion, five hundred eighty-five million, one hundred seventy thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 22 44 127 254 508 1397 2794 5588 462629 925258 1850516 5088919 10177838 20355676 58753883 117507766 235015532 646292713 1292585426 2585170852