Search a number
-
+
195067801 is a prime number
BaseRepresentation
bin10111010000001…
…11111110011001
3111121001110201101
423220013332121
5344414132201
631204551401
74556022535
oct1350077631
9447043641
10195067801
11a0124365
12553b2561
133154b346
141bc9abc5
15121d2d01
hexba07f99

195067801 has 2 divisors, whose sum is σ = 195067802. Its totient is φ = 195067800.

The previous prime is 195067793. The next prime is 195067837. The reversal of 195067801 is 108760591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 65221776 = 11395^2 + 8076^2 .

It is a cyclic number.

It is not a de Polignac number, because 195067801 - 23 = 195067793 is a prime.

It is not a weakly prime, because it can be changed into another prime (195062801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97533900 + 97533901.

It is an arithmetic number, because the mean of its divisors is an integer number (97533901).

Almost surely, 2195067801 is an apocalyptic number.

It is an amenable number.

195067801 is a deficient number, since it is larger than the sum of its proper divisors (1).

195067801 is an equidigital number, since it uses as much as digits as its factorization.

195067801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 195067801 is about 13966.6674980111. The cubic root of 195067801 is about 579.9562006164.

It can be divided in two parts, 1950 and 67801, that added together give a triangular number (69751 = T373).

The spelling of 195067801 in words is "one hundred ninety-five million, sixty-seven thousand, eight hundred one".