Base | Representation |
---|---|
bin | 11101100111111… |
… | …01110010000100 |
3 | 122022121021121200 |
4 | 32303331302010 |
5 | 1002104102203 |
6 | 40354142500 |
7 | 6105146535 |
oct | 1663756204 |
9 | 568537550 |
10 | 248503428 |
11 | 118301338 |
12 | 6b281a30 |
13 | 3c63a464 |
14 | 2500a68c |
15 | 16c3a9a3 |
hex | ecfdc84 |
248503428 has 36 divisors (see below), whose sum is σ = 631808268. Its totient is φ = 82353600.
The previous prime is 248503369. The next prime is 248503459. The reversal of 248503428 is 824305842.
It can be written as a sum of positive squares in 2 ways, for example, as 111894084 + 136609344 = 10578^2 + 11688^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 248503392 and 248503401.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13723 + ... + 26178.
Almost surely, 2248503428 is an apocalyptic number.
It is an amenable number.
248503428 is an abundant number, since it is smaller than the sum of its proper divisors (383304840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248503428 is a wasteful number, since it uses less digits than its factorization.
248503428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40084 (or 40079 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The square root of 248503428 is about 15763.9914996171. The cubic root of 248503428 is about 628.7009665238.
The spelling of 248503428 in words is "two hundred forty-eight million, five hundred three thousand, four hundred twenty-eight".
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