Search a number
-
+
434300981 is a prime number
BaseRepresentation
bin11001111000101…
…110100000110101
31010021012202221112
4121320232200311
51342140112411
6111032324405
713522332422
oct3170564065
91107182845
10434300981
11203173834
12101543705
136bc9113a
1441972d49
15281dbb8b
hex19e2e835

434300981 has 2 divisors, whose sum is σ = 434300982. Its totient is φ = 434300980.

The previous prime is 434300963. The next prime is 434301053. The reversal of 434300981 is 189003434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364428100 + 69872881 = 19090^2 + 8359^2 .

It is a cyclic number.

It is not a de Polignac number, because 434300981 - 218 = 434038837 is a prime.

It is a super-2 number, since 2×4343009812 = 377234684195124722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434300941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217150490 + 217150491.

It is an arithmetic number, because the mean of its divisors is an integer number (217150491).

Almost surely, 2434300981 is an apocalyptic number.

It is an amenable number.

434300981 is a deficient number, since it is larger than the sum of its proper divisors (1).

434300981 is an equidigital number, since it uses as much as digits as its factorization.

434300981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 434300981 is about 20839.8891791679. The cubic root of 434300981 is about 757.2924088503.

The spelling of 434300981 in words is "four hundred thirty-four million, three hundred thousand, nine hundred eighty-one".