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201424141 = 277772533
BaseRepresentation
bin11000000000101…
…11110100001101
3112001000101222101
430000113310031
5403031033031
631553115101
74664035252
oct1400276415
9461011871
10201424141
11a3775a36
1257558a91
13329655a9
141ca73429
1512a3b361
hexc017d0d

201424141 has 4 divisors (see below), whose sum is σ = 201499452. Its totient is φ = 201348832.

The previous prime is 201424129. The next prime is 201424147. The reversal of 201424141 is 141424102.

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 97812100 + 103612041 = 9890^2 + 10179^2 .

It is a cyclic number.

It is not a de Polignac number, because 201424141 - 211 = 201422093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424147) 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, 33490 + ... + 39043.

It is an arithmetic number, because the mean of its divisors is an integer number (50374863).

Almost surely, 2201424141 is an apocalyptic number.

It is an amenable number.

201424141 is a deficient number, since it is larger than the sum of its proper divisors (75311).

201424141 is an equidigital number, since it uses as much as digits as its factorization.

201424141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75310.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 201424141 is about 14192.3972957355. The cubic root of 201424141 is about 586.1883371147.

Adding to 201424141 its reverse (141424102), we get a palindrome (342848243).

The spelling of 201424141 in words is "two hundred one million, four hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 2777 72533 201424141