Search a number
-
+
6967081 = 111016271
BaseRepresentation
bin11010100100111100101001
3111002222001001
4122210330221
53240421311
6405155001
7113135122
oct32447451
914088031
106967081
113a29520
1223bba61
13159c244
14cd5049
159294c1
hex6a4f29

6967081 has 8 divisors (see below), whose sum is σ = 7676928. Its totient is φ = 6270000.

The previous prime is 6967057. The next prime is 6967099. The reversal of 6967081 is 1807696.

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

It is not a de Polignac number, because 6967081 - 29 = 6966569 is a prime.

It is a super-2 number, since 2×69670812 = 97080435321122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6967081.

It is not an unprimeable number, because it can be changed into a prime (6967981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 4246.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 26967081 is an apocalyptic number.

It is an amenable number.

6967081 is a deficient number, since it is larger than the sum of its proper divisors (709847).

6967081 is a wasteful number, since it uses less digits than its factorization.

6967081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6967081 is about 2639.5228735512. The cubic root of 6967081 is about 190.9927813578.

It can be divided in two parts, 69670 and 81, that added together give a triangular number (69751 = T373).

The spelling of 6967081 in words is "six million, nine hundred sixty-seven thousand, eighty-one".

Divisors: 1 11 101 1111 6271 68981 633371 6967081