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4443434420 = 2251032157007
BaseRepresentation
bin1000010001101100…
…10110110110110100
3102110200002212010012
410020312112312310
533100004400140
62012530115352
7215053366205
oct41066266664
912420085105
104443434420
111980226057
12a4011bb58
1355a75cb49
143021c35ac
151b0168265
hex108d96db4

4443434420 has 24 divisors (see below), whose sum is σ = 9421810944. Its totient is φ = 1760116896.

The previous prime is 4443434419. The next prime is 4443434453. The reversal of 4443434420 is 244343444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076444 + ... + 1080563.

It is an arithmetic number, because the mean of its divisors is an integer number (392575456).

Almost surely, 24443434420 is an apocalyptic number.

It is an amenable number.

4443434420 is an abundant number, since it is smaller than the sum of its proper divisors (4978376524).

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

4443434420 is a wasteful number, since it uses less digits than its factorization.

4443434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157119 (or 2157117 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

The square root of 4443434420 is about 66659.0910529089. The cubic root of 4443434420 is about 1644.0168267271.

Adding to 4443434420 its reverse (244343444), we get a palindrome (4687777864).

The spelling of 4443434420 in words is "four billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 2157007 4314014 8628028 10785035 21570070 43140140 222171721 444343442 888686884 1110858605 2221717210 4443434420