Base | Representation |
---|---|
bin | 10010011111000… |
… | …011011001001100 |
3 | 210121120020201122 |
4 | 102133003121030 |
5 | 1113343132002 |
6 | 50435100112 |
7 | 10454030555 |
oct | 2237033114 |
9 | 717506648 |
10 | 310130252 |
11 | 14a0734a3 |
12 | 87a41638 |
13 | 4c336a33 |
14 | 2d28d32c |
15 | 1c3606a2 |
hex | 127c364c |
310130252 has 48 divisors (see below), whose sum is σ = 612541440. Its totient is φ = 136595712.
The previous prime is 310130251. The next prime is 310130257. The reversal of 310130252 is 252031013.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 310130252.
It is not an unprimeable number, because it can be changed into a prime (310130251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71399 + ... + 75617.
It is an arithmetic number, because the mean of its divisors is an integer number (12761280).
Almost surely, 2310130252 is an apocalyptic number.
It is an amenable number.
310130252 is a deficient number, since it is larger than the sum of its proper divisors (302411188).
310130252 is a wasteful number, since it uses less digits than its factorization.
310130252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4310 (or 4308 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 310130252 is about 17610.5153814419. The cubic root of 310130252 is about 676.8847203725.
Adding to 310130252 its reverse (252031013), we get a palindrome (562161265).
The spelling of 310130252 in words is "three hundred ten million, one hundred thirty thousand, two hundred fifty-two".
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