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4685831 is a prime number
BaseRepresentation
bin10001111000000000000111
322211001202022
4101320000013
52144421311
6244233355
754554213
oct21700007
98731668
104685831
112710597
12169b85b
13c80aa7
1489d943
156285db
hex478007

4685831 has 2 divisors, whose sum is σ = 4685832. Its totient is φ = 4685830.

The previous prime is 4685827. The next prime is 4685833. The reversal of 4685831 is 1385864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4685831 - 22 = 4685827 is a prime.

It is a super-2 number, since 2×46858312 = 43914024321122, which contains 22 as substring.

Together with 4685833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4685791 and 4685800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4685833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342915 + 2342916.

It is an arithmetic number, because the mean of its divisors is an integer number (2342916).

Almost surely, 24685831 is an apocalyptic number.

4685831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4685831 is an equidigital number, since it uses as much as digits as its factorization.

4685831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 4685831 is about 2164.6780361061. The cubic root of 4685831 is about 167.3383723432.

The spelling of 4685831 in words is "four million, six hundred eighty-five thousand, eight hundred thirty-one".