Base | Representation |
---|---|
bin | 11110100101001… |
… | …111101111100010 |
3 | 1022202110011211201 |
4 | 132211033233202 |
5 | 2022322032130 |
6 | 122525031414 |
7 | 15500052622 |
oct | 3645175742 |
9 | 1282404751 |
10 | 513080290 |
11 | 2436908a8 |
12 | 1239b556a |
13 | 823b4a08 |
14 | 4c1dc882 |
15 | 3009dbca |
hex | 1e94fbe2 |
513080290 has 8 divisors (see below), whose sum is σ = 923544540. Its totient is φ = 205232112.
The previous prime is 513080263. The next prime is 513080299. The reversal of 513080290 is 92080315.
It can be written as a sum of positive squares in 2 ways, for example, as 501267321 + 11812969 = 22389^2 + 3437^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (513080299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25654005 + ... + 25654024.
Almost surely, 2513080290 is an apocalyptic number.
513080290 is a deficient number, since it is larger than the sum of its proper divisors (410464250).
513080290 is a wasteful number, since it uses less digits than its factorization.
513080290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51308036.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 513080290 is about 22651.2756815152. The cubic root of 513080290 is about 800.5622557846.
The spelling of 513080290 in words is "five hundred thirteen million, eighty thousand, two hundred ninety".
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