Base | Representation |
---|---|
bin | 10111011011101… |
… | …001100010100001 |
3 | 1000101201202202012 |
4 | 113123221202201 |
5 | 1301114432001 |
6 | 103002002305 |
7 | 12512333054 |
oct | 2733514241 |
9 | 1011652665 |
10 | 393124001 |
11 | 1919a9976 |
12 | ab7a6395 |
13 | 635a496a |
14 | 3a2d4a9b |
15 | 247a62bb |
hex | 176e98a1 |
393124001 has 8 divisors (see below), whose sum is σ = 404218920. Its totient is φ = 382053888.
The previous prime is 393123943. The next prime is 393124007. The reversal of 393124001 is 100421393.
It can be written as a sum of positive squares in 4 ways, for example, as 14432401 + 378691600 = 3799^2 + 19460^2 .
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-393124001 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (393124007) 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, 28655 + ... + 40091.
It is an arithmetic number, because the mean of its divisors is an integer number (50527365).
Almost surely, 2393124001 is an apocalyptic number.
It is an amenable number.
393124001 is a deficient number, since it is larger than the sum of its proper divisors (11094919).
393124001 is a wasteful number, since it uses less digits than its factorization.
393124001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12403.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 393124001 is about 19827.3548664465. The cubic root of 393124001 is about 732.5599750541.
Adding to 393124001 its reverse (100421393), we get a palindrome (493545394).
The spelling of 393124001 in words is "three hundred ninety-three million, one hundred twenty-four thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •