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2405434481 is a prime number
BaseRepresentation
bin1000111101100000…
…0000010001110001
320012122020201202222
42033120000101301
514411242400411
61034404450425
7113415566342
oct21730002161
96178221688
102405434481
11102489458a
125716a9a15
132c446c418
1418b6760c9
15e129b4db
hex8f600471

2405434481 has 2 divisors, whose sum is σ = 2405434482. Its totient is φ = 2405434480.

The previous prime is 2405434477. The next prime is 2405434511. The reversal of 2405434481 is 1844345042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371690000 + 33744481 = 48700^2 + 5809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405434481 - 22 = 2405434477 is a prime.

It is a super-2 number, since 2×24054344812 = 11572230084767478722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2405437481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202717240 + 1202717241.

It is an arithmetic number, because the mean of its divisors is an integer number (1202717241).

Almost surely, 22405434481 is an apocalyptic number.

It is an amenable number.

2405434481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405434481 is an equidigital number, since it uses as much as digits as its factorization.

2405434481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 2405434481 is about 49045.2289320786. The cubic root of 2405434481 is about 1339.8756996530.

The spelling of 2405434481 in words is "two billion, four hundred five million, four hundred thirty-four thousand, four hundred eighty-one".