Base | Representation |
---|---|
bin | 100101001100110… |
… | …0110100101011110 |
3 | 10012222202102122220 |
4 | 1022121212211132 |
5 | 10024021210010 |
6 | 323505450210 |
7 | 42634512531 |
oct | 11231464536 |
9 | 3188672586 |
10 | 1248225630 |
11 | 590655433 |
12 | 2aa040966 |
13 | 16b7ab062 |
14 | bbac4a18 |
15 | 748b4970 |
hex | 4a66695e |
1248225630 has 32 divisors (see below), whose sum is σ = 2996880768. Its totient is φ = 332733600.
The previous prime is 1248225593. The next prime is 1248225659. The reversal of 1248225630 is 365228421.
1248225630 is a nontrivial binomial coefficient, being equal to C(49965, 2).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1248225591 and 1248225600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93685 + ... + 106175.
It is an arithmetic number, because the mean of its divisors is an integer number (93652524).
Almost surely, 21248225630 is an apocalyptic number.
1248225630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1248225630 is the 49964-th triangular number.
1248225630 is an abundant number, since it is smaller than the sum of its proper divisors (1748655138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1248225630 is a wasteful number, since it uses less digits than its factorization.
1248225630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15832.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 1248225630 is about 35330.2367668262. The cubic root of 1248225630 is about 1076.7074017482.
The spelling of 1248225630 in words is "one billion, two hundred forty-eight million, two hundred twenty-five thousand, six hundred thirty".
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