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6992669 = 64110909
BaseRepresentation
bin11010101011001100011101
3111011021010202
4122223030131
53242231134
6405513245
7113302535
oct32531435
914137122
106992669
113a46772
122412825
1315aaa98
14d004c5
15931d7e
hex6ab31d

6992669 has 4 divisors (see below), whose sum is σ = 7004220. Its totient is φ = 6981120.

The previous prime is 6992653. The next prime is 6992681. The reversal of 6992669 is 9662996.

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 4153444 + 2839225 = 2038^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 6992669 - 24 = 6992653 is a prime.

It is a super-2 number, since 2×69926692 = 97794839487122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6992269) 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, 4814 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (1751055).

Almost surely, 26992669 is an apocalyptic number.

It is an amenable number.

6992669 is a deficient number, since it is larger than the sum of its proper divisors (11551).

6992669 is a wasteful number, since it uses less digits than its factorization.

6992669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550.

The product of its digits is 314928, while the sum is 47.

The square root of 6992669 is about 2644.3655193638. The cubic root of 6992669 is about 191.2263154346.

The spelling of 6992669 in words is "six million, nine hundred ninety-two thousand, six hundred sixty-nine".

Divisors: 1 641 10909 6992669