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420430232241 = 3327157459373
BaseRepresentation
bin1100001111000111001…
…10000011101010110001
31111012012111122200221000
412013203212003222301
523342020114412431
6521050514552213
742242440003215
oct6074346035261
91435174580830
10420430232241
111523379a6258
1269595298669
13308531b1166
14164c567c945
15ae0a2ea9e6
hex61e3983ab1

420430232241 has 16 divisors (see below), whose sum is σ = 625157989120. Its totient is φ = 279252547920.

The previous prime is 420430232219. The next prime is 420430232273. The reversal of 420430232241 is 142232034024.

420430232241 is a `hidden beast` number, since 4 + 2 + 0 + 430 + 2 + 3 + 224 + 1 = 666.

It is not a de Polignac number, because 420430232241 - 27 = 420430232113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420430232281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28722370 + ... + 28737003.

It is an arithmetic number, because the mean of its divisors is an integer number (39072374320).

Almost surely, 2420430232241 is an apocalyptic number.

It is an amenable number.

420430232241 is a deficient number, since it is larger than the sum of its proper divisors (204727756879).

420430232241 is a wasteful number, since it uses less digits than its factorization.

420430232241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57459653 (or 57459647 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 420430232241 its reverse (142232034024), we get a palindrome (562662266265).

The spelling of 420430232241 in words is "four hundred twenty billion, four hundred thirty million, two hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 3 9 27 271 813 2439 7317 57459373 172378119 517134357 1551403071 15571490083 46714470249 140143410747 420430232241