Base | Representation |
---|---|
bin | 11100100010011010010100 |
3 | 112002001222100 |
4 | 130202122110 |
5 | 3403342410 |
6 | 424202100 |
7 | 120405303 |
oct | 34423224 |
9 | 15061870 |
10 | 7480980 |
11 | 424a631 |
12 | 2609330 |
13 | 171c120 |
14 | dca43a |
15 | 9cb8c0 |
hex | 722694 |
7480980 has 144 divisors (see below), whose sum is σ = 25683840. Its totient is φ = 1748736.
The previous prime is 7480937. The next prime is 7481009. The reversal of 7480980 is 890847.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53751 + ... + 53889.
It is an arithmetic number, because the mean of its divisors is an integer number (178360).
Almost surely, 27480980 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 7480980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841920).
7480980 is an abundant number, since it is smaller than the sum of its proper divisors (18202860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7480980 is a wasteful number, since it uses less digits than its factorization.
7480980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 7480980 is about 2735.1380221115. The cubic root of 7480980 is about 195.5777735794.
The spelling of 7480980 in words is "seven million, four hundred eighty thousand, nine hundred eighty".
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