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2420404823 is a prime number
BaseRepresentation
bin1001000001000100…
…0111001001010111
320020200102022020002
42100101013021113
514424110423243
61040101401515
7113660046554
oct22021071127
96220368202
102420404823
111032289a71
1257670929b
132c75b1405
1418d651a2b
15e2756eb8
hex90447257

2420404823 has 2 divisors, whose sum is σ = 2420404824. Its totient is φ = 2420404822.

The previous prime is 2420404817. The next prime is 2420404837. The reversal of 2420404823 is 3284040242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420404823 - 24 = 2420404807 is a prime.

It is a super-2 number, since 2×24204048232 = 11716719014403322658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420407823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210202411 + 1210202412.

It is an arithmetic number, because the mean of its divisors is an integer number (1210202412).

Almost surely, 22420404823 is an apocalyptic number.

2420404823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420404823 is an equidigital number, since it uses as much as digits as its factorization.

2420404823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 2420404823 is about 49197.6099317843. The cubic root of 2420404823 is about 1342.6495477066.

The spelling of 2420404823 in words is "two billion, four hundred twenty million, four hundred four thousand, eight hundred twenty-three".