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4232857 = 5877211
BaseRepresentation
bin10000001001011010011001
321222001101111
4100021122121
52040422412
6230420321
750656456
oct20113231
97861344
104232857
112431232
1215016a1
13b52865
147c282d
155892a7
hex409699

4232857 has 4 divisors (see below), whose sum is σ = 4240656. Its totient is φ = 4225060.

The previous prime is 4232849. The next prime is 4232863. The reversal of 4232857 is 7582324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4232857 - 23 = 4232849 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 411 + 23 + 35 + 215 + 8 + 55 + 74 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4232827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3019 + ... + 4192.

It is an arithmetic number, because the mean of its divisors is an integer number (1060164).

Almost surely, 24232857 is an apocalyptic number.

It is an amenable number.

4232857 is a deficient number, since it is larger than the sum of its proper divisors (7799).

4232857 is an equidigital number, since it uses as much as digits as its factorization.

4232857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798.

The product of its digits is 13440, while the sum is 31.

The square root of 4232857 is about 2057.3908233488. The cubic root of 4232857 is about 161.7625057319.

The spelling of 4232857 in words is "four million, two hundred thirty-two thousand, eight hundred fifty-seven".

Divisors: 1 587 7211 4232857