Search a number
-
+
2379431 is a prime number
BaseRepresentation
bin1001000100111010100111
311110212222002
421010322213
51102120211
6122555515
726140055
oct11047247
94425862
102379431
11138577a
12968b9b
13654062
1445d1d5
1532003b
hex244ea7

2379431 has 2 divisors, whose sum is σ = 2379432. Its totient is φ = 2379430.

The previous prime is 2379413. The next prime is 2379437. The reversal of 2379431 is 1349732.

2379431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2379413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2379431 - 214 = 2363047 is a prime.

It is a super-2 number, since 2×23794312 = 11323383767522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 221 + 33 + 73 + 92 + 49 + 39 + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 2379394 and 2379403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2379437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189715 + 1189716.

It is an arithmetic number, because the mean of its divisors is an integer number (1189716).

22379431 is an apocalyptic number.

2379431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379431 is an equidigital number, since it uses as much as digits as its factorization.

2379431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 2379431 is about 1542.5404370713. The cubic root of 2379431 is about 133.5030041359.

The spelling of 2379431 in words is "two million, three hundred seventy-nine thousand, four hundred thirty-one".