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201425441 = 7194493373
BaseRepresentation
bin11000000000110…
…00001000100001
3112001000110202112
430000120020201
5403031103231
631553125105
74664042120
oct1400301041
9461013675
10201425441
11a3776a08
1257559795
1332966069
141ca73ab7
1512a3b92b
hexc018221

201425441 has 16 divisors (see below), whose sum is σ = 242928000. Its totient is φ = 163150848.

The previous prime is 201425407. The next prime is 201425443. The reversal of 201425441 is 144524102.

It is not a de Polignac number, because 201425441 - 26 = 201425377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58031 + ... + 61403.

It is an arithmetic number, because the mean of its divisors is an integer number (15183000).

Almost surely, 2201425441 is an apocalyptic number.

It is an amenable number.

201425441 is a deficient number, since it is larger than the sum of its proper divisors (41502559).

201425441 is a wasteful number, since it uses less digits than its factorization.

201425441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 201425441 is about 14192.4430948304. The cubic root of 201425441 is about 586.1895982068.

Adding to 201425441 its reverse (144524102), we get a palindrome (345949543).

The spelling of 201425441 in words is "two hundred one million, four hundred twenty-five thousand, four hundred forty-one".

Divisors: 1 7 19 133 449 3143 3373 8531 23611 59717 64087 448609 1514477 10601339 28775063 201425441