Base | Representation |
---|---|
bin | 10111010000000… |
… | …011111000111001 |
3 | 1000012000102200002 |
4 | 113100003320321 |
5 | 1244330224301 |
6 | 102412522345 |
7 | 12444451361 |
oct | 2720037071 |
9 | 1005012602 |
10 | 390086201 |
11 | 19021459a |
12 | aa7803b5 |
13 | 62a8004b |
14 | 39b439a1 |
15 | 243a616b |
hex | 17403e39 |
390086201 has 8 divisors (see below), whose sum is σ = 399474504. Its totient is φ = 380773120.
The previous prime is 390086189. The next prime is 390086273. The reversal of 390086201 is 102680093.
It can be written as a sum of positive squares in 4 ways, for example, as 249640000 + 140446201 = 15800^2 + 11851^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-390086201 is a prime.
It is a super-2 number, since 2×3900862012 = 304334488421224802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390086101) 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, 8240 + ... + 29121.
It is an arithmetic number, because the mean of its divisors is an integer number (49934313).
Almost surely, 2390086201 is an apocalyptic number.
It is an amenable number.
390086201 is a deficient number, since it is larger than the sum of its proper divisors (9388303).
390086201 is a wasteful number, since it uses less digits than its factorization.
390086201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37611.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 390086201 is about 19750.6000162020. The cubic root of 390086201 is about 730.6681822342.
The spelling of 390086201 in words is "three hundred ninety million, eighty-six thousand, two hundred one".
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