Base | Representation |
---|---|
bin | 11010101000010100101000 |
3 | 111010200000000 |
4 | 122220110220 |
5 | 3241342104 |
6 | 405343000 |
7 | 113223330 |
oct | 32502450 |
9 | 14120000 |
10 | 6980904 |
11 | 3a38947 |
12 | 2407a60 |
13 | 15a5618 |
14 | cda0c0 |
15 | 92d639 |
hex | 6a8528 |
6980904 has 144 divisors (see below), whose sum is σ = 23618400. Its totient is φ = 1889568.
The previous prime is 6980903. The next prime is 6980927. The reversal of 6980904 is 4090896.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (6980903) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 367407 + ... + 367425.
Almost surely, 26980904 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6980904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11809200).
6980904 is an abundant number, since it is smaller than the sum of its proper divisors (16637496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6980904 is an equidigital number, since it uses as much as digits as its factorization.
6980904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56 (or 31 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 6980904 is about 2642.1400417086. The cubic root of 6980904 is about 191.1190106504.
The spelling of 6980904 in words is "six million, nine hundred eighty thousand, nine hundred four".
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