Search a number
-
+
438601 is a prime number
BaseRepresentation
bin1101011000101001001
3211021122111
41223011021
5103013401
613222321
73504502
oct1530511
9737574
10438601
1127a589
121919a1
13124837
14b5ba9
1589e51
hex6b149

438601 has 2 divisors, whose sum is σ = 438602. Its totient is φ = 438600.

The previous prime is 438589. The next prime is 438611. The reversal of 438601 is 106834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274576 + 164025 = 524^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 438601 - 25 = 438569 is a prime.

It is not a weakly prime, because it can be changed into another prime (438611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219300 + 219301.

It is an arithmetic number, because the mean of its divisors is an integer number (219301).

2438601 is an apocalyptic number.

It is an amenable number.

438601 is a deficient number, since it is larger than the sum of its proper divisors (1).

438601 is an equidigital number, since it uses as much as digits as its factorization.

438601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 438601 is about 662.2695825719. The cubic root of 438601 is about 75.9783525604.

The spelling of 438601 in words is "four hundred thirty-eight thousand, six hundred one".