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4294409 = 7287641
BaseRepresentation
bin10000011000011100001001
322002011211012
4100120130021
52044410114
6232013305
751334100
oct20303411
98064735
104294409
1124734a9
121531235
13b74892
147db037
1559c63e
hex418709

4294409 has 6 divisors (see below), whose sum is σ = 4995594. Its totient is φ = 3680880.

The previous prime is 4294393. The next prime is 4294417. The reversal of 4294409 is 9044924.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 1225 = 2072^2 + 35^2 .

It is not a de Polignac number, because 4294409 - 24 = 4294393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4294439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43772 + ... + 43869.

It is an arithmetic number, because the mean of its divisors is an integer number (832599).

Almost surely, 24294409 is an apocalyptic number.

4294409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4294409 is a deficient number, since it is larger than the sum of its proper divisors (701185).

4294409 is an equidigital number, since it uses as much as digits as its factorization.

4294409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87655 (or 87648 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4294409 is about 2072.2955870242. The cubic root of 4294409 is about 162.5428242163.

The spelling of 4294409 in words is "four million, two hundred ninety-four thousand, four hundred nine".

Divisors: 1 7 49 87641 613487 4294409