Search a number
-
+
34381913 is a prime number
BaseRepresentation
bin1000001100101…
…0000001011001
32101200210010012
42003022001121
532300210123
63224531305
7565145546
oct203120131
971623105
1034381913
1118453705
12b620b35
13717a637
1447cdbcd
153042378
hex20ca059

34381913 has 2 divisors, whose sum is σ = 34381914. Its totient is φ = 34381912.

The previous prime is 34381909. The next prime is 34381927. The reversal of 34381913 is 31918343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31326409 + 3055504 = 5597^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 34381913 - 22 = 34381909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34381913.

It is not a weakly prime, because it can be changed into another prime (34381933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17190956 + 17190957.

It is an arithmetic number, because the mean of its divisors is an integer number (17190957).

Almost surely, 234381913 is an apocalyptic number.

It is an amenable number.

34381913 is a deficient number, since it is larger than the sum of its proper divisors (1).

34381913 is an equidigital number, since it uses as much as digits as its factorization.

34381913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 34381913 is about 5863.6092127631. The cubic root of 34381913 is about 325.1696565881.

The spelling of 34381913 in words is "thirty-four million, three hundred eighty-one thousand, nine hundred thirteen".