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201387041 = 375442893
BaseRepresentation
bin11000000000011…
…10110000100001
3112000221112002022
430000032300201
5403023341131
631552231225
74663522142
oct1400166041
9460845068
10201387041
11a3750079
125753b515
133295173b
141ca63ac9
1512a3037b
hexc00ec21

201387041 has 4 divisors (see below), whose sum is σ = 206829972. Its totient is φ = 195944112.

The previous prime is 201387029. The next prime is 201387077. The reversal of 201387041 is 140783102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195888016 + 5499025 = 13996^2 + 2345^2 .

It is a cyclic number.

It is not a de Polignac number, because 201387041 - 214 = 201370657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201387041.

It is not an unprimeable number, because it can be changed into a prime (201380041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721410 + ... + 2721483.

It is an arithmetic number, because the mean of its divisors is an integer number (51707493).

Almost surely, 2201387041 is an apocalyptic number.

It is an amenable number.

201387041 is a deficient number, since it is larger than the sum of its proper divisors (5442931).

201387041 is an equidigital number, since it uses as much as digits as its factorization.

201387041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442930.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 201387041 is about 14191.0901977262. The cubic root of 201387041 is about 586.1523451981.

The spelling of 201387041 in words is "two hundred one million, three hundred eighty-seven thousand, forty-one".

Divisors: 1 37 5442893 201387041