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6967141 = 13035347
BaseRepresentation
bin11010100100111101100101
3111002222010021
4122210331211
53240422031
6405155141
7113135236
oct32447545
914088107
106967141
113a29575
1223bbab1
13159c28c
14cd508d
15929511
hex6a4f65

6967141 has 4 divisors (see below), whose sum is σ = 6973792. Its totient is φ = 6960492.

The previous prime is 6967123. The next prime is 6967151. The reversal of 6967141 is 1417696.

6967141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6967141 - 29 = 6966629 is a prime.

It is a Duffinian number.

6967141 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6967097 and 6967106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6967151) 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 in 3 ways as a sum of consecutive naturals, for example, 1371 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (1743448).

Almost surely, 26967141 is an apocalyptic number.

It is an amenable number.

6967141 is a deficient number, since it is larger than the sum of its proper divisors (6651).

6967141 is a wasteful number, since it uses less digits than its factorization.

6967141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650.

The product of its digits is 9072, while the sum is 34.

The square root of 6967141 is about 2639.5342392172. The cubic root of 6967141 is about 190.9933296283.

The spelling of 6967141 in words is "six million, nine hundred sixty-seven thousand, one hundred forty-one".

Divisors: 1 1303 5347 6967141