Base | Representation |
---|---|
bin | 11110101001010… |
… | …011000000001100 |
3 | 1022211110010112110 |
4 | 132221103000030 |
5 | 2023110022340 |
6 | 123003504020 |
7 | 15512064624 |
oct | 3651230014 |
9 | 1284403473 |
10 | 514142220 |
11 | 244246729 |
12 | 124228010 |
13 | 82697187 |
14 | 4c3d7884 |
15 | 3020d680 |
hex | 1ea5300c |
514142220 has 48 divisors (see below), whose sum is σ = 1524283488. Its totient is φ = 129039360.
The previous prime is 514142183. The next prime is 514142281. The reversal of 514142220 is 22241415.
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, 251011 + ... + 253050.
It is an arithmetic number, because the mean of its divisors is an integer number (31755906).
Almost surely, 2514142220 is an apocalyptic number.
It is an amenable number.
514142220 is an abundant number, since it is smaller than the sum of its proper divisors (1010141268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
514142220 is a wasteful number, since it uses less digits than its factorization.
514142220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504090 (or 504088 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 514142220 is about 22674.7044082167. The cubic root of 514142220 is about 801.1141870968.
Adding to 514142220 its reverse (22241415), we get a palindrome (536383635).
The spelling of 514142220 in words is "five hundred fourteen million, one hundred forty-two thousand, two hundred twenty".
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