Search a number
-
+
1430197 is a prime number
BaseRepresentation
bin101011101001010110101
32200122212021
411131022311
5331231242
650353141
715104446
oct5351265
92618767
101430197
1189758a
1258b7b1
133b0c92
142932cd
151d3b67
hex15d2b5

1430197 has 2 divisors, whose sum is σ = 1430198. Its totient is φ = 1430196.

The previous prime is 1430183. The next prime is 1430201. The reversal of 1430197 is 7910341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 367236 = 1031^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430197 - 219 = 905909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715098 + 715099.

It is an arithmetic number, because the mean of its divisors is an integer number (715099).

21430197 is an apocalyptic number.

It is an amenable number.

1430197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430197 is an equidigital number, since it uses as much as digits as its factorization.

1430197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1430197 is about 1195.9084413115. The cubic root of 1430197 is about 112.6674904335.

The spelling of 1430197 in words is "one million, four hundred thirty thousand, one hundred ninety-seven".