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426345983 = 771857839
BaseRepresentation
bin11001011010011…
…000010111111111
31002201020121201222
4121122120113333
51333121032413
6110150023555
713364611130
oct3132302777
91081217658
10426345983
111a9730058
12ba947bbb
136a43733b
14408a1c87
1527669b08
hex196985ff

426345983 has 8 divisors (see below), whose sum is σ = 494115840. Its totient is φ = 360291960.

The previous prime is 426345971. The next prime is 426346027. The reversal of 426345983 is 389543624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426345983 - 212 = 426341887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426345923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428423 + ... + 429416.

It is an arithmetic number, because the mean of its divisors is an integer number (61764480).

Almost surely, 2426345983 is an apocalyptic number.

426345983 is a deficient number, since it is larger than the sum of its proper divisors (67769857).

426345983 is an equidigital number, since it uses as much as digits as its factorization.

426345983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857917.

The product of its digits is 622080, while the sum is 44.

The square root of 426345983 is about 20648.1472050158. The cubic root of 426345983 is about 752.6401665294.

The spelling of 426345983 in words is "four hundred twenty-six million, three hundred forty-five thousand, nine hundred eighty-three".

Divisors: 1 7 71 497 857839 6004873 60906569 426345983