Base | Representation |
---|---|
bin | 11001100100101… |
… | …10001001101000 |
3 | 112221122222022121 |
4 | 30302112021220 |
5 | 414404241040 |
6 | 33142001024 |
7 | 5213266630 |
oct | 1462261150 |
9 | 487588277 |
10 | 214524520 |
11 | 1001034a1 |
12 | 5ba16174 |
13 | 355a13b2 |
14 | 206c36c0 |
15 | 13c77c4a |
hex | cc96268 |
214524520 has 64 divisors (see below), whose sum is σ = 566570880. Its totient is φ = 71559936.
The previous prime is 214524517. The next prime is 214524523. The reversal of 214524520 is 25425412.
It is an interprime number because it is at equal distance from previous prime (214524517) and next prime (214524523).
It is not an unprimeable number, because it can be changed into a prime (214524523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7 + ... + 20713.
It is an arithmetic number, because the mean of its divisors is an integer number (8852670).
Almost surely, 2214524520 is an apocalyptic number.
214524520 is a gapful number since it is divisible by the number (20) 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 214524520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283285440).
214524520 is an abundant number, since it is smaller than the sum of its proper divisors (352046360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214524520 is a wasteful number, since it uses less digits than its factorization.
214524520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20762 (or 20758 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 214524520 is about 14646.6555909532. The cubic root of 214524520 is about 598.6306921856.
Adding to 214524520 its reverse (25425412), we get a palindrome (239949932).
The spelling of 214524520 in words is "two hundred fourteen million, five hundred twenty-four thousand, five hundred twenty".
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