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201110420 = 22575572579
BaseRepresentation
bin10111111110010…
…11001110010100
3112000102110122002
423333023032110
5402441013140
631542254432
74661260520
oct1377131624
9460373562
10201110420
11a3581265
1257427418
1332885864
141c9d0d80
15129c8415
hexbfcb394

201110420 has 48 divisors (see below), whose sum is σ = 483719040. Its totient is φ = 68801664.

The previous prime is 201110417. The next prime is 201110431. The reversal of 201110420 is 24011102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76691 + ... + 79269.

It is an arithmetic number, because the mean of its divisors is an integer number (10077480).

Almost surely, 2201110420 is an apocalyptic number.

201110420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110420 is an abundant number, since it is smaller than the sum of its proper divisors (282608620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201110420 is a wasteful number, since it uses less digits than its factorization.

201110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201110420 is about 14181.3405572252. The cubic root of 201110420 is about 585.8838467186.

Adding to 201110420 its reverse (24011102), we get a palindrome (225121522).

The spelling of 201110420 in words is "two hundred one million, one hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 557 1114 2228 2579 2785 3899 5158 5570 7798 10316 11140 12895 15596 18053 19495 25790 36106 38990 51580 72212 77980 90265 180530 361060 1436503 2873006 5746012 7182515 10055521 14365030 20111042 28730060 40222084 50277605 100555210 201110420