Base | Representation |
---|---|
bin | 10010011110111… |
… | …100100100101000 |
3 | 210121111211101211 |
4 | 102132330210220 |
5 | 1113341233222 |
6 | 50434322504 |
7 | 10453553242 |
oct | 2236744450 |
9 | 717454354 |
10 | 310102312 |
11 | 14a054503 |
12 | 87a29434 |
13 | 4c3270c0 |
14 | 2d283092 |
15 | 1c357277 |
hex | 127bc928 |
310102312 has 16 divisors (see below), whose sum is σ = 626168340. Its totient is φ = 143124096.
The previous prime is 310102301. The next prime is 310102313. The reversal of 310102312 is 213201013.
It can be written as a sum of positive squares in 2 ways, for example, as 290157156 + 19945156 = 17034^2 + 4466^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 310102292 and 310102301.
It is not an unprimeable number, because it can be changed into a prime (310102313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490773 + ... + 1490980.
Almost surely, 2310102312 is an apocalyptic number.
It is an amenable number.
310102312 is an abundant number, since it is smaller than the sum of its proper divisors (316066028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310102312 is a wasteful number, since it uses less digits than its factorization.
310102312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2981772 (or 2981768 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 310102312 is about 17609.7220875288. The cubic root of 310102312 is about 676.8643926479.
Adding to 310102312 its reverse (213201013), we get a palindrome (523303325).
The spelling of 310102312 in words is "three hundred ten million, one hundred two thousand, three hundred twelve".
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