Base | Representation |
---|---|
bin | 10000000101001010100000 |
3 | 21221011112000 |
4 | 100011022200 |
5 | 2034343311 |
6 | 230204000 |
7 | 50554650 |
oct | 20051240 |
9 | 7834460 |
10 | 4215456 |
11 | 241a153 |
12 | 14b3600 |
13 | b4796b |
14 | 7ba360 |
15 | 584056 |
hex | 4052a0 |
4215456 has 192 divisors, whose sum is σ = 15240960. Its totient is φ = 1105920.
The previous prime is 4215451. The next prime is 4215457. The reversal of 4215456 is 6545124.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4215451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102796 + ... + 102836.
It is an arithmetic number, because the mean of its divisors is an integer number (79380).
Almost surely, 24215456 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 4215456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).
4215456 is an abundant number, since it is smaller than the sum of its proper divisors (11025504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4215456 is a wasteful number, since it uses less digits than its factorization.
4215456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 70 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 4215456 is about 2053.1575682348. The cubic root of 4215456 is about 161.5405362371.
The spelling of 4215456 in words is "four million, two hundred fifteen thousand, four hundred fifty-six".
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