Base | Representation |
---|---|
bin | 11010101010100111100100 |
3 | 111011010220022 |
4 | 122222213210 |
5 | 3242142213 |
6 | 405454312 |
7 | 113262623 |
oct | 32524744 |
9 | 14133808 |
10 | 6990308 |
11 | 3a44a16 |
12 | 2411398 |
13 | 15a99a0 |
14 | cdd6ba |
15 | 931308 |
hex | 6aa9e4 |
6990308 has 24 divisors (see below), whose sum is σ = 13265280. Its totient is φ = 3204000.
The previous prime is 6990307. The next prime is 6990317. The reversal of 6990308 is 8030996.
It is not an unprimeable number, because it can be changed into a prime (6990307) 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, 8933 + ... + 9683.
It is an arithmetic number, because the mean of its divisors is an integer number (552720).
Almost surely, 26990308 is an apocalyptic number.
It is an amenable number.
6990308 is a deficient number, since it is larger than the sum of its proper divisors (6274972).
6990308 is a wasteful number, since it uses less digits than its factorization.
6990308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 947 (or 945 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 6990308 is about 2643.9190607884. The cubic root of 6990308 is about 191.2047911709.
The spelling of 6990308 in words is "six million, nine hundred ninety thousand, three hundred eight".
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