Base | Representation |
---|---|
bin | 11010101010011010111010 |
3 | 111011002210022 |
4 | 122222122322 |
5 | 3242130443 |
6 | 405450442 |
7 | 113260355 |
oct | 32523272 |
9 | 14132708 |
10 | 6989498 |
11 | 3a4434a |
12 | 2410a22 |
13 | 15a94c9 |
14 | cdd29c |
15 | 930e68 |
hex | 6aa6ba |
6989498 has 4 divisors (see below), whose sum is σ = 10484250. Its totient is φ = 3494748.
The previous prime is 6989497. The next prime is 6989501. The reversal of 6989498 is 8949896.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 5508409 + 1481089 = 2347^2 + 1217^2 .
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (6989491) 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 as a sum of consecutive naturals, namely, 1747373 + ... + 1747376.
Almost surely, 26989498 is an apocalyptic number.
6989498 is a deficient number, since it is larger than the sum of its proper divisors (3494752).
6989498 is a wasteful number, since it uses less digits than its factorization.
6989498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3494751.
The product of its digits is 1119744, while the sum is 53.
The square root of 6989498 is about 2643.7658746568. The cubic root of 6989498 is about 191.1974056183.
The spelling of 6989498 in words is "six million, nine hundred eighty-nine thousand, four hundred ninety-eight".
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