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201200841 = 35827987
BaseRepresentation
bin10111111111000…
…01010011001001
3112000121001200000
423333201103021
5403001411331
631544233213
74662115242
oct1377412311
9460531600
10201200841
11a3633196
125746b809
13328b7a6a
141ca15cc9
15129e50e6
hexbfe14c9

201200841 has 12 divisors (see below), whose sum is σ = 301387632. Its totient is φ = 134133732.

The previous prime is 201200837. The next prime is 201200873. The reversal of 201200841 is 148002102.

It is not a de Polignac number, because 201200841 - 22 = 201200837 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201200801) 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, 413751 + ... + 414236.

It is an arithmetic number, because the mean of its divisors is an integer number (25115636).

Almost surely, 2201200841 is an apocalyptic number.

It is an amenable number.

201200841 is a deficient number, since it is larger than the sum of its proper divisors (100186791).

201200841 is an frugal number, since it uses more digits than its factorization.

201200841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828002 (or 827990 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 201200841 is about 14184.5282262048. The cubic root of 201200841 is about 585.9716397260.

Adding to 201200841 its reverse (148002102), we get a palindrome (349202943).

The spelling of 201200841 in words is "two hundred one million, two hundred thousand, eight hundred forty-one".

Divisors: 1 3 9 27 81 243 827987 2483961 7451883 22355649 67066947 201200841