Base | Representation |
---|---|
bin | 11001100100101… |
… | …01001011001000 |
3 | 112221122202211110 |
4 | 30302111023020 |
5 | 414404124040 |
6 | 33141530320 |
7 | 5213252154 |
oct | 1462251310 |
9 | 487582743 |
10 | 214520520 |
11 | 100100495 |
12 | 5ba139a0 |
13 | 3559c626 |
14 | 206c2064 |
15 | 13c76980 |
hex | cc952c8 |
214520520 has 64 divisors (see below), whose sum is σ = 644656320. Its totient is φ = 57108224.
The previous prime is 214520503. The next prime is 214520539. The reversal of 214520520 is 25025412.
It is a happy 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, 94519 + ... + 96761.
It is an arithmetic number, because the mean of its divisors is an integer number (10072755).
Almost surely, 2214520520 is an apocalyptic number.
214520520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214520520 is an abundant number, since it is smaller than the sum of its proper divisors (430135800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214520520 is a wasteful number, since it uses less digits than its factorization.
214520520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3054 (or 3050 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 214520520 is about 14646.5190403727. The cubic root of 214520520 is about 598.6269714957.
Adding to 214520520 its reverse (25025412), we get a palindrome (239545932).
The spelling of 214520520 in words is "two hundred fourteen million, five hundred twenty thousand, five hundred twenty".
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