Base | Representation |
---|---|
bin | 111010011100001… |
… | …101111010011101 |
3 | 2112022221022121020 |
4 | 322130031322131 |
5 | 4002000204144 |
6 | 241142554353 |
7 | 33203622204 |
oct | 7234157235 |
9 | 2468838536 |
10 | 980475549 |
11 | 4634a8879 |
12 | 2344389b9 |
13 | 128192361 |
14 | 9430823b |
15 | 5b126419 |
hex | 3a70de9d |
980475549 has 8 divisors (see below), whose sum is σ = 1307471712. Its totient is φ = 653564880.
The previous prime is 980475547. The next prime is 980475581. The reversal of 980475549 is 945574089.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 980475549 - 21 = 980475547 is a prime.
It is a super-2 number, since 2×9804755492 = 1922664604373702802, which contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980475547) 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, 13534 + ... + 46304.
It is an arithmetic number, because the mean of its divisors is an integer number (163433964).
Almost surely, 2980475549 is an apocalyptic number.
It is an amenable number.
980475549 is a deficient number, since it is larger than the sum of its proper divisors (326996163).
980475549 is a wasteful number, since it uses less digits than its factorization.
980475549 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42747.
The product of its (nonzero) digits is 1814400, while the sum is 51.
The square root of 980475549 is about 31312.5461915827. The cubic root of 980475549 is about 993.4490281466.
The spelling of 980475549 in words is "nine hundred eighty million, four hundred seventy-five thousand, five hundred forty-nine".
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