Base | Representation |
---|---|
bin | 11101001101011… |
… | …111111100110001 |
3 | 1021011011112122002 |
4 | 131031133330301 |
5 | 2000424444001 |
6 | 120344023345 |
7 | 15100410560 |
oct | 3515377461 |
9 | 1234145562 |
10 | 490078001 |
11 | 2316aa946 |
12 | 118161b55 |
13 | 7a6bcbaa |
14 | 49131bd7 |
15 | 2d05846b |
hex | 1d35ff31 |
490078001 has 16 divisors (see below), whose sum is σ = 597043200. Its totient is φ = 392912208.
The previous prime is 490077983. The next prime is 490078003. The reversal of 490078001 is 100870094.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-490078001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (490078003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12815 + ... + 33828.
It is an arithmetic number, because the mean of its divisors is an integer number (37315200).
Almost surely, 2490078001 is an apocalyptic number.
It is an amenable number.
490078001 is a deficient number, since it is larger than the sum of its proper divisors (106965199).
490078001 is a wasteful number, since it uses less digits than its factorization.
490078001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46748.
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 490078001 is about 22137.7054140667. The cubic root of 490078001 is about 788.4153466914.
The spelling of 490078001 in words is "four hundred ninety million, seventy-eight thousand, one".
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