Base | Representation |
---|---|
bin | 10111110101011111111000 |
3 | 102202110020201 |
4 | 113311133320 |
5 | 3044422230 |
6 | 341531544 |
7 | 104053012 |
oct | 27653770 |
9 | 12673221 |
10 | 6248440 |
11 | 3588600 |
12 | 2113bb4 |
13 | 13aa103 |
14 | b891b2 |
15 | 8365ca |
hex | 5f57f8 |
6248440 has 48 divisors (see below), whose sum is σ = 15465240. Its totient is φ = 2270400.
The previous prime is 6248399. The next prime is 6248461. The reversal of 6248440 is 448426.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 6248399 and 6248408.
It is a congruent number.
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, 4195 + ... + 5485.
Almost surely, 26248440 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6248440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7732620).
6248440 is an abundant number, since it is smaller than the sum of its proper divisors (9216800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6248440 is a wasteful number, since it uses less digits than its factorization.
6248440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1324 (or 1309 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
The square root of 6248440 is about 2499.6879805288. The cubic root of 6248440 is about 184.1862480857.
The spelling of 6248440 in words is "six million, two hundred forty-eight thousand, four hundred forty".
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