Base | Representation |
---|---|
bin | 10111011100101… |
… | …000010111001101 |
3 | 1000102012211201201 |
4 | 113130220113031 |
5 | 1301201200300 |
6 | 103011305501 |
7 | 12514454221 |
oct | 2734502715 |
9 | 1012184651 |
10 | 393381325 |
11 | 192065237 |
12 | ab8ab291 |
13 | 63664b1c |
14 | 3a360781 |
15 | 2480766a |
hex | 177285cd |
393381325 has 6 divisors (see below), whose sum is σ = 487792874. Its totient is φ = 314705040.
The previous prime is 393381323. The next prime is 393381337. The reversal of 393381325 is 523183393.
It can be written as a sum of positive squares in 3 ways, for example, as 3437316 + 389944009 = 1854^2 + 19747^2 .
It is not a de Polignac number, because 393381325 - 21 = 393381323 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 (393381323) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7867602 + ... + 7867651.
Almost surely, 2393381325 is an apocalyptic number.
It is an amenable number.
393381325 is a deficient number, since it is larger than the sum of its proper divisors (94411549).
393381325 is a wasteful number, since it uses less digits than its factorization.
393381325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15735263 (or 15735258 counting only the distinct ones).
The product of its digits is 58320, while the sum is 37.
The square root of 393381325 is about 19833.8429206243. The cubic root of 393381325 is about 732.7197754801.
It can be divided in two parts, 3933 and 81325, that added together give a palindrome (85258).
The spelling of 393381325 in words is "three hundred ninety-three million, three hundred eighty-one thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •