Base | Representation |
---|---|
bin | 10111010010100… |
… | …100010101110101 |
3 | 1000020020211012021 |
4 | 113102210111311 |
5 | 1300012242123 |
6 | 102434553141 |
7 | 12453156424 |
oct | 2722442565 |
9 | 1006224167 |
10 | 390743413 |
11 | 190623345 |
12 | aaa387b1 |
13 | 62c50228 |
14 | 39c752bb |
15 | 24485c5d |
hex | 174a4575 |
390743413 has 4 divisors (see below), whose sum is σ = 391321260. Its totient is φ = 390165568.
The previous prime is 390743399. The next prime is 390743429. The reversal of 390743413 is 314347093.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314347093 = 1861 ⋅168913.
It can be written as a sum of positive squares in 2 ways, for example, as 332953009 + 57790404 = 18247^2 + 7602^2 .
It is a cyclic number.
It is not a de Polignac number, because 390743413 - 213 = 390735221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390743473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287908 + ... + 289261.
It is an arithmetic number, because the mean of its divisors is an integer number (97830315).
Almost surely, 2390743413 is an apocalyptic number.
It is an amenable number.
390743413 is a deficient number, since it is larger than the sum of its proper divisors (577847).
390743413 is an equidigital number, since it uses as much as digits as its factorization.
390743413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 577846.
The product of its (nonzero) digits is 27216, while the sum is 34.
The square root of 390743413 is about 19767.2307873410. The cubic root of 390743413 is about 731.0782919894.
The spelling of 390743413 in words is "three hundred ninety million, seven hundred forty-three thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •