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42910443 = 325389959
BaseRepresentation
bin1010001110110…
…0001011101011
32222202002001200
42203230023223
541441113233
64131415243
71030506222
oct243541353
988662050
1042910443
1122249284
1212454523
138b754c4
1459adcb9
153b79313
hex28ec2eb

42910443 has 12 divisors (see below), whose sum is σ = 63151920. Its totient is φ = 28066896.

The previous prime is 42910429. The next prime is 42910447. The reversal of 42910443 is 34401924.

It is not a de Polignac number, because 42910443 - 28 = 42910187 is a prime.

It is a super-2 number, since 2×429104432 = 3682612236912498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42910447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44503 + ... + 45456.

It is an arithmetic number, because the mean of its divisors is an integer number (5262660).

Almost surely, 242910443 is an apocalyptic number.

42910443 is a deficient number, since it is larger than the sum of its proper divisors (20241477).

42910443 is a wasteful number, since it uses less digits than its factorization.

42910443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90018 (or 90015 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42910443 is about 6550.6063078161. The cubic root of 42910443 is about 350.0964169743.

The spelling of 42910443 in words is "forty-two million, nine hundred ten thousand, four hundred forty-three".

Divisors: 1 3 9 53 159 477 89959 269877 809631 4767827 14303481 42910443