Search a number
-
+
6946045 = 51389209
BaseRepresentation
bin11010011111110011111101
3111001220011221
4122133303331
53234233140
6404513341
7113016601
oct32376375
914056157
106946045
113a14737
1223ab851
1315927b2
14ccb501
1592314a
hex69fcfd

6946045 has 4 divisors (see below), whose sum is σ = 8335260. Its totient is φ = 5556832.

The previous prime is 6946019. The next prime is 6946061. The reversal of 6946045 is 5406496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4923961 + 2022084 = 2219^2 + 1422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6946045 is a prime.

It is a super-2 number, since 2×69460452 = 96495082284050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6946045.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 694600 + ... + 694609.

It is an arithmetic number, because the mean of its divisors is an integer number (2083815).

Almost surely, 26946045 is an apocalyptic number.

It is an amenable number.

6946045 is a deficient number, since it is larger than the sum of its proper divisors (1389215).

6946045 is a wasteful number, since it uses less digits than its factorization.

6946045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389214.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6946045 is about 2635.5350500420. The cubic root of 6946045 is about 190.8003633962.

The spelling of 6946045 in words is "six million, nine hundred forty-six thousand, forty-five".

Divisors: 1 5 1389209 6946045