Base | Representation |
---|---|
bin | 111011110010… |
… | …1110111100001 |
3 | 2011222202110001 |
4 | 1313211313201 |
5 | 31011201431 |
6 | 3035540001 |
7 | 530321056 |
oct | 167456741 |
9 | 64882401 |
10 | 31350241 |
11 | 1677299a |
12 | a5ba601 |
13 | 6658750 |
14 | 424102d |
15 | 2b43e61 |
hex | 1de5de1 |
31350241 has 8 divisors (see below), whose sum is σ = 33858944. Its totient is φ = 28855440.
The previous prime is 31350229. The next prime is 31350257. The reversal of 31350241 is 14205313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31350241 - 213 = 31342049 is a prime.
It is a super-2 number, since 2×313502412 = 1965675221516162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31350271) 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, 1486 + ... + 8056.
It is an arithmetic number, because the mean of its divisors is an integer number (4232368).
Almost surely, 231350241 is an apocalyptic number.
It is an amenable number.
31350241 is a deficient number, since it is larger than the sum of its proper divisors (2508703).
31350241 is a wasteful number, since it uses less digits than its factorization.
31350241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6951.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 31350241 is about 5599.1285929152. The cubic root of 31350241 is about 315.3166916630.
Adding to 31350241 its reverse (14205313), we get a palindrome (45555554).
It can be divided in two parts, 3 and 1350241, that added together give a square (1350244 = 11622).
The spelling of 31350241 in words is "thirty-one million, three hundred fifty thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •