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234407825 = 529376313
BaseRepresentation
bin11011111100011…
…00011110010001
3121100002011002022
431332030132101
5440002022300
635132101225
75544301511
oct1576143621
9540064068
10234407825
11110354083
1266604815
1339743672
14231bb841
15158a4285
hexdf8c791

234407825 has 6 divisors (see below), whose sum is σ = 290665734. Its totient is φ = 187526240.

The previous prime is 234407821. The next prime is 234407857. The reversal of 234407825 is 528704432.

It can be written as a sum of positive squares in 3 ways, for example, as 27709696 + 206698129 = 5264^2 + 14377^2 .

It is not a de Polignac number, because 234407825 - 22 = 234407821 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 (234407821) 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, 4688132 + ... + 4688181.

It is an arithmetic number, because the mean of its divisors is an integer number (48444289).

Almost surely, 2234407825 is an apocalyptic number.

234407825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234407825 is a deficient number, since it is larger than the sum of its proper divisors (56257909).

234407825 is an equidigital number, since it uses as much as digits as its factorization.

234407825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376323 (or 9376318 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 234407825 is about 15310.3829148719. The cubic root of 234407825 is about 616.5818006741.

The spelling of 234407825 in words is "two hundred thirty-four million, four hundred seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 9376313 46881565 234407825