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6968445 = 3511157269
BaseRepresentation
bin11010100101010001111101
3111010000220120
4122211101331
53240442240
6405205153
7113142111
oct32452175
914100816
106968445
113a2a550
1224007b9
13159ca53
14cd5741
15929ad0
hex6a547d

6968445 has 32 divisors (see below), whose sum is σ = 12286080. Its totient is φ = 3344640.

The previous prime is 6968443. The next prime is 6968447. The reversal of 6968445 is 5448696.

It is an interprime number because it is at equal distance from previous prime (6968443) and next prime (6968447).

It is not a de Polignac number, because 6968445 - 21 = 6968443 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6968397 and 6968406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6968443) 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 31 ways as a sum of consecutive naturals, for example, 25771 + ... + 26039.

It is an arithmetic number, because the mean of its divisors is an integer number (383940).

Almost surely, 26968445 is an apocalyptic number.

It is an amenable number.

6968445 is a deficient number, since it is larger than the sum of its proper divisors (5317635).

6968445 is a wasteful number, since it uses less digits than its factorization.

6968445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 207360, while the sum is 42.

The square root of 6968445 is about 2639.7812409365. The cubic root of 6968445 is about 191.0052445953.

The spelling of 6968445 in words is "six million, nine hundred sixty-eight thousand, four hundred forty-five".

Divisors: 1 3 5 11 15 33 55 157 165 269 471 785 807 1345 1727 2355 2959 4035 5181 8635 8877 14795 25905 42233 44385 126699 211165 464563 633495 1393689 2322815 6968445