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201540325 = 5271151659
BaseRepresentation
bin11000000001101…
…00001011100101
3112001020022100111
430000310023211
5403043242300
631555413021
74665031060
oct1400641345
9461208314
10201540325
11a3845258
12575b4171
13329a643c
141caa38d7
1512a609ba
hexc0342e5

201540325 has 12 divisors (see below), whose sum is σ = 285611680. Its totient is φ = 138198960.

The previous prime is 201540307. The next prime is 201540373. The reversal of 201540325 is 523045102.

It is not a de Polignac number, because 201540325 - 25 = 201540293 is a prime.

It is a super-2 number, since 2×2015403252 = 81237005202211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201540296 and 201540305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575655 + ... + 576004.

Almost surely, 2201540325 is an apocalyptic number.

201540325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201540325 is a deficient number, since it is larger than the sum of its proper divisors (84071355).

201540325 is a wasteful number, since it uses less digits than its factorization.

201540325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151676 (or 1151671 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 201540325 is about 14196.4898830662. The cubic root of 201540325 is about 586.3010224080.

Adding to 201540325 its reverse (523045102), we get a palindrome (724585427).

The spelling of 201540325 in words is "two hundred one million, five hundred forty thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 1151659 5758295 8061613 28791475 40308065 201540325