Base | Representation |
---|---|
bin | 1000011100110101010000 |
3 | 11011112202020 |
4 | 20130311100 |
5 | 1031341443 |
6 | 115251440 |
7 | 24554310 |
oct | 10346520 |
9 | 4145666 |
10 | 2215248 |
11 | 1283392 |
12 | 8a9b80 |
13 | 5c73c9 |
14 | 419440 |
15 | 2db583 |
hex | 21cd50 |
2215248 has 80 divisors (see below), whose sum is σ = 6904320. Its totient is φ = 597888.
The previous prime is 2215237. The next prime is 2215277. The reversal of 2215248 is 8425122.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 6211 + ... + 6557.
It is an arithmetic number, because the mean of its divisors is an integer number (86304).
22215248 is an apocalyptic number.
2215248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2215248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3452160).
2215248 is an abundant number, since it is smaller than the sum of its proper divisors (4689072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215248 is a wasteful number, since it uses less digits than its factorization.
2215248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384 (or 378 counting only the distinct ones).
The product of its digits is 1280, while the sum is 24.
The square root of 2215248 is about 1488.3709215112. The cubic root of 2215248 is about 130.3589291912.
The spelling of 2215248 in words is "two million, two hundred fifteen thousand, two hundred forty-eight".
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