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1420202241 = 3420398599
BaseRepresentation
bin101010010100110…
…1001000100000001
310122222100202020000
41110221221010001
510402032432431
6352531510213
750123343213
oct12451510401
93588322200
101420202241
11669737a67
12337758369
13198302c73
14d68905b3
1584a359e6
hex54a69101

1420202241 has 20 divisors (see below), whose sum is σ = 2122824000. Its totient is φ = 946227096.

The previous prime is 1420202233. The next prime is 1420202249. The reversal of 1420202241 is 1422020241.

1420202241 is a `hidden beast` number, since 1 + 420 + 2 + 0 + 2 + 241 = 666.

It is an interprime number because it is at equal distance from previous prime (1420202233) and next prime (1420202249).

It is not a de Polignac number, because 1420202241 - 23 = 1420202233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420202249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160860 + ... + 169458.

It is an arithmetic number, because the mean of its divisors is an integer number (106141200).

Almost surely, 21420202241 is an apocalyptic number.

It is an amenable number.

1420202241 is a deficient number, since it is larger than the sum of its proper divisors (702621759).

1420202241 is an equidigital number, since it uses as much as digits as its factorization.

1420202241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1420202241 is about 37685.5707267384. The cubic root of 1420202241 is about 1124.0442228878.

Adding to 1420202241 its reverse (1422020241), we get a palindrome (2842222482).

The spelling of 1420202241 in words is "one billion, four hundred twenty million, two hundred two thousand, two hundred forty-one".

Divisors: 1 3 9 27 81 2039 6117 8599 18351 25797 55053 77391 165159 232173 696519 17533361 52600083 157800249 473400747 1420202241