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469439 is a prime number
BaseRepresentation
bin1110010100110111111
3212211221122
41302212333
5110010224
614021155
73663425
oct1624677
9784848
10469439
112a0773
121a77bb
13135899
14c3115
159415e
hex729bf

469439 has 2 divisors, whose sum is σ = 469440. Its totient is φ = 469438.

The previous prime is 469429. The next prime is 469457. The reversal of 469439 is 934964.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-469439 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 469399 and 469408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 469439.

It is not a weakly prime, because it can be changed into another prime (469429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234719 + 234720.

It is an arithmetic number, because the mean of its divisors is an integer number (234720).

2469439 is an apocalyptic number.

469439 is a deficient number, since it is larger than the sum of its proper divisors (1).

469439 is an equidigital number, since it uses as much as digits as its factorization.

469439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 469439 is about 685.1561865735. The cubic root of 469439 is about 77.7188541620.

The spelling of 469439 in words is "four hundred sixty-nine thousand, four hundred thirty-nine".