Search a number
-
+
6995901 = 311211997
BaseRepresentation
bin11010101011111110111101
3111011102120110
4122223332331
53242332101
6405540233
7113315133
oct32537675
914142513
106995901
113a49140
122414679
1315ac3b3
14d01753
15932cd6
hex6abfbd

6995901 has 8 divisors (see below), whose sum is σ = 10175904. Its totient is φ = 4239920.

The previous prime is 6995899. The next prime is 6995909. The reversal of 6995901 is 1095996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6995901 - 21 = 6995899 is a prime.

6995901 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6995901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6995909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105966 + ... + 106031.

It is an arithmetic number, because the mean of its divisors is an integer number (1271988).

Almost surely, 26995901 is an apocalyptic number.

It is an amenable number.

6995901 is a deficient number, since it is larger than the sum of its proper divisors (3180003).

6995901 is a wasteful number, since it uses less digits than its factorization.

6995901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212011.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 6995901 is about 2644.9765594424. The cubic root of 6995901 is about 191.2557723919.

The spelling of 6995901 in words is "six million, nine hundred ninety-five thousand, nine hundred one".

Divisors: 1 3 11 33 211997 635991 2331967 6995901