Base | Representation |
---|---|
bin | 101100011010110… |
… | …1111111111111111 |
3 | 10211212121111101022 |
4 | 1120311233333333 |
5 | 11023031011442 |
6 | 403522134355 |
7 | 51635626016 |
oct | 13065577777 |
9 | 3755544338 |
10 | 1490485247 |
11 | 6a5381699 |
12 | 3571b13bb |
13 | 1a9a40544 |
14 | 101d47a7d |
15 | 8acba3d2 |
hex | 58d6ffff |
1490485247 has 8 divisors (see below), whose sum is σ = 1546026240. Its totient is φ = 1435220640.
The previous prime is 1490485193. The next prime is 1490485253. The reversal of 1490485247 is 7425840941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1490485247 - 210 = 1490484223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1490485198 and 1490485207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1490485547) 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, 58079 + ... + 79712.
It is an arithmetic number, because the mean of its divisors is an integer number (193253280).
Almost surely, 21490485247 is an apocalyptic number.
1490485247 is a deficient number, since it is larger than the sum of its proper divisors (55540993).
1490485247 is a wasteful number, since it uses less digits than its factorization.
1490485247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138193.
The product of its (nonzero) digits is 322560, while the sum is 44.
The square root of 1490485247 is about 38606.8031181034. The cubic root of 1490485247 is about 1142.2887349949.
The spelling of 1490485247 in words is "one billion, four hundred ninety million, four hundred eighty-five thousand, two hundred forty-seven".
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