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201142201 = 1348731771
BaseRepresentation
bin10111111110100…
…10111110111001
3112000111002020011
423333102332321
5402443022301
631543101521
74661452261
oct1377227671
9460432204
10201142201
11a35a3127
12574418a1
1332897170
141c9dc7a1
15129d2a51
hexbfd2fb9

201142201 has 8 divisors (see below), whose sum is σ = 217066304. Its totient is φ = 185282640.

The previous prime is 201142171. The next prime is 201142243. The reversal of 201142201 is 102241102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201142201 - 219 = 200617913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (201142301) 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, 9555 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (27133288).

Almost surely, 2201142201 is an apocalyptic number.

It is an amenable number.

201142201 is a deficient number, since it is larger than the sum of its proper divisors (15924103).

201142201 is a wasteful number, since it uses less digits than its factorization.

201142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32271.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201142201 is about 14182.4610346724. The cubic root of 201142201 is about 585.9147070354.

Adding to 201142201 its reverse (102241102), we get a palindrome (303383303).

The spelling of 201142201 in words is "two hundred one million, one hundred forty-two thousand, two hundred one".

Divisors: 1 13 487 6331 31771 413023 15472477 201142201