Base | Representation |
---|---|
bin | 11101001110000… |
… | …11110100111000 |
3 | 122002020101212002 |
4 | 32213003310320 |
5 | 1000222322222 |
6 | 40153440132 |
7 | 6034326323 |
oct | 1647036470 |
9 | 562211762 |
10 | 245120312 |
11 | 116400578 |
12 | 6a110048 |
13 | 3ba24608 |
14 | 247a97ba |
15 | 167bd392 |
hex | e9c3d38 |
245120312 has 16 divisors (see below), whose sum is σ = 461527200. Its totient is φ = 122046400.
The previous prime is 245120303. The next prime is 245120321. The reversal of 245120312 is 213021542.
It is an interprime number because it is at equal distance from previous prime (245120303) and next prime (245120321).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62189 + ... + 66012.
It is an arithmetic number, because the mean of its divisors is an integer number (28845450).
Almost surely, 2245120312 is an apocalyptic number.
It is an amenable number.
245120312 is a deficient number, since it is larger than the sum of its proper divisors (216406888).
245120312 is a wasteful number, since it uses less digits than its factorization.
245120312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128446 (or 128442 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 245120312 is about 15656.3185966561. The cubic root of 245120312 is about 625.8348838271.
Adding to 245120312 its reverse (213021542), we get a palindrome (458141854).
The spelling of 245120312 in words is "two hundred forty-five million, one hundred twenty thousand, three hundred twelve".
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