Base | Representation |
---|---|
bin | 10111010000111… |
… | …100010001010101 |
3 | 1000012110011110102 |
4 | 113100330101111 |
5 | 1244410122031 |
6 | 102421503445 |
7 | 12446432564 |
oct | 2720742125 |
9 | 1005404412 |
10 | 390317141 |
11 | 190362055 |
12 | aa871b85 |
13 | 62b311b6 |
14 | 39ba3bdb |
15 | 243ee7cb |
hex | 1743c455 |
390317141 has 4 divisors (see below), whose sum is σ = 390405612. Its totient is φ = 390228672.
The previous prime is 390317113. The next prime is 390317167. The reversal of 390317141 is 141713093.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 212868100 + 177449041 = 14590^2 + 13321^2 .
It is a cyclic number.
It is not a de Polignac number, because 390317141 - 218 = 390054997 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 (390317041) 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, 37250 + ... + 46563.
It is an arithmetic number, because the mean of its divisors is an integer number (97601403).
Almost surely, 2390317141 is an apocalyptic number.
It is an amenable number.
390317141 is a deficient number, since it is larger than the sum of its proper divisors (88471).
390317141 is an equidigital number, since it uses as much as digits as its factorization.
390317141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88470.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 390317141 is about 19756.4455558180. The cubic root of 390317141 is about 730.8123445767.
The spelling of 390317141 in words is "three hundred ninety million, three hundred seventeen thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •