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200030497 is a prime number
BaseRepresentation
bin10111110110000…
…11100100100001
3111221101121020221
423323003210201
5402201433442
631503203041
74646142202
oct1373034441
9457347227
10200030497
11a2a03967
1256ba6481
1332598154
141c7cd5a9
1512863467
hexbec3921

200030497 has 2 divisors, whose sum is σ = 200030498. Its totient is φ = 200030496.

The previous prime is 200030477. The next prime is 200030561. The reversal of 200030497 is 794030002.

200030497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157728481 + 42302016 = 12559^2 + 6504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200030497 is a prime.

It is not a weakly prime, because it can be changed into another prime (200030417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100015248 + 100015249.

It is an arithmetic number, because the mean of its divisors is an integer number (100015249).

Almost surely, 2200030497 is an apocalyptic number.

It is an amenable number.

200030497 is a deficient number, since it is larger than the sum of its proper divisors (1).

200030497 is an equidigital number, since it uses as much as digits as its factorization.

200030497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 200030497 is about 14143.2138144058. The cubic root of 200030497 is about 584.8332707215.

Adding to 200030497 its reverse (794030002), we get a palindrome (994060499).

The spelling of 200030497 in words is "two hundred million, thirty thousand, four hundred ninety-seven".