Base | Representation |
---|---|
bin | 10111010000111… |
… | …011010000101001 |
3 | 1000012102221210002 |
4 | 113100323100221 |
5 | 1244410004001 |
6 | 102421432345 |
7 | 12446414531 |
oct | 2720732051 |
9 | 1005387702 |
10 | 390313001 |
11 | 190359a31 |
12 | aa86b6b5 |
13 | 62b2c350 |
14 | 39ba24c1 |
15 | 243ed46b |
hex | 1743b429 |
390313001 has 8 divisors (see below), whose sum is σ = 434831880. Its totient is φ = 347864832.
The previous prime is 390312997. The next prime is 390313003. The reversal of 390313001 is 100313093.
It can be written as a sum of positive squares in 4 ways, for example, as 113955625 + 276357376 = 10675^2 + 16624^2 .
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 390313001 - 22 = 390312997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390313003) 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, 517280 + ... + 518033.
It is an arithmetic number, because the mean of its divisors is an integer number (54353985).
Almost surely, 2390313001 is an apocalyptic number.
It is an amenable number.
390313001 is a deficient number, since it is larger than the sum of its proper divisors (44518879).
390313001 is a wasteful number, since it uses less digits than its factorization.
390313001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1035355.
The product of its (nonzero) digits is 243, while the sum is 20.
The square root of 390313001 is about 19756.3407796079. The cubic root of 390313001 is about 730.8097607174.
Adding to 390313001 its reverse (100313093), we get a palindrome (490626094).
The spelling of 390313001 in words is "three hundred ninety million, three hundred thirteen thousand, one".
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