Search a number
-
+
197201507 is a prime number
BaseRepresentation
bin10111100000100…
…00111001100011
3111202001212121112
423300100321203
5400440422012
631322413535
74613120336
oct1360207143
9452055545
10197201507
11a1351458
12560612ab
1331b175a9
141c29461d
15124a5122
hexbc10e63

197201507 has 2 divisors, whose sum is σ = 197201508. Its totient is φ = 197201506.

The previous prime is 197201387. The next prime is 197201539. The reversal of 197201507 is 705102791.

It is an a-pointer prime, because the next prime (197201539) can be obtained adding 197201507 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197201507 - 210 = 197200483 is a prime.

It is not a weakly prime, because it can be changed into another prime (197201567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98600753 + 98600754.

It is an arithmetic number, because the mean of its divisors is an integer number (98600754).

Almost surely, 2197201507 is an apocalyptic number.

197201507 is a deficient number, since it is larger than the sum of its proper divisors (1).

197201507 is an equidigital number, since it uses as much as digits as its factorization.

197201507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 197201507 is about 14042.8454025529. The cubic root of 197201507 is about 582.0631114077.

The spelling of 197201507 in words is "one hundred ninety-seven million, two hundred one thousand, five hundred seven".