Base | Representation |
---|---|
bin | 11110100010000… |
… | …100101011011110 |
3 | 1022200212220220020 |
4 | 132202010223132 |
5 | 2022113423132 |
6 | 122455133010 |
7 | 15460016661 |
oct | 3642045336 |
9 | 1280786806 |
10 | 512248542 |
11 | 243172a03 |
12 | 123674166 |
13 | 82183260 |
14 | 4c0636d8 |
15 | 2ee8752c |
hex | 1e884ade |
512248542 has 32 divisors (see below), whose sum is σ = 1106838432. Its totient is φ = 157110144.
The previous prime is 512248523. The next prime is 512248577. The reversal of 512248542 is 245842215.
It is a super-2 number, since 2×5122485422 = 524797137562251528, which contains 22 as substring.
It is a congruent 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, 14368 + ... + 35084.
It is an arithmetic number, because the mean of its divisors is an integer number (34588701).
Almost surely, 2512248542 is an apocalyptic number.
512248542 is an abundant number, since it is smaller than the sum of its proper divisors (594589890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512248542 is a wasteful number, since it uses less digits than its factorization.
512248542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21052.
The product of its digits is 25600, while the sum is 33.
The square root of 512248542 is about 22632.9083857996. The cubic root of 512248542 is about 800.1294280177.
The spelling of 512248542 in words is "five hundred twelve million, two hundred forty-eight thousand, five hundred forty-two".
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