Base | Representation |
---|---|
bin | 111011101100… |
… | …1111001111001 |
3 | 2011220021020020 |
4 | 1313121321321 |
5 | 31003114431 |
6 | 3034521053 |
7 | 530025156 |
oct | 167317171 |
9 | 64807206 |
10 | 31301241 |
11 | 1673a0a4 |
12 | a596189 |
13 | 663c35a |
14 | 422b22d |
15 | 2b34696 |
hex | 1dd9e79 |
31301241 has 8 divisors (see below), whose sum is σ = 41763360. Its totient is φ = 20853312.
The previous prime is 31301239. The next prime is 31301269. The reversal of 31301241 is 14210313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31301241 - 21 = 31301239 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31301241.
It is not an unprimeable number, because it can be changed into a prime (31301141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745 + ... + 8753.
It is an arithmetic number, because the mean of its divisors is an integer number (5220420).
Almost surely, 231301241 is an apocalyptic number.
It is an amenable number.
31301241 is a deficient number, since it is larger than the sum of its proper divisors (10462119).
31301241 is a wasteful number, since it uses less digits than its factorization.
31301241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7095.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 31301241 is about 5594.7512009025. The cubic root of 31301241 is about 315.1523274343.
Adding to 31301241 its reverse (14210313), we get a palindrome (45511554).
It can be divided in two parts, 3130 and 1241, that added together give a triangular number (4371 = T93).
The spelling of 31301241 in words is "thirty-one million, three hundred one thousand, two hundred forty-one".
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