Base | Representation |
---|---|
bin | 11110100011100… |
… | …000111000011001 |
3 | 1022201121002221121 |
4 | 132203200320121 |
5 | 2022213014301 |
6 | 122511205241 |
7 | 15463152013 |
oct | 3643407031 |
9 | 1281532847 |
10 | 512626201 |
11 | 24340071a |
12 | 123816821 |
13 | 82286119 |
14 | 4c1211b3 |
15 | 3000e3a1 |
hex | 1e8e0e19 |
512626201 has 4 divisors (see below), whose sum is σ = 512682804. Its totient is φ = 512569600.
The previous prime is 512626183. The next prime is 512626217. The reversal of 512626201 is 102626215.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 231192025 + 281434176 = 15205^2 + 16776^2 .
It is a 3-Lehmer number, since φ(512626201) divides (512626201-1)3.
It is a cyclic number.
It is not a de Polignac number, because 512626201 - 27 = 512626073 is a prime.
It is a deceptive number, since it divides R512626200.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (512626241) 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, 11320 + ... + 33961.
It is an arithmetic number, because the mean of its divisors is an integer number (128170701).
It is a Poulet number, since it divides 2512626200-1.
Almost surely, 2512626201 is an apocalyptic number.
512626201 is the 11321-st decagonal number.
It is an amenable number.
512626201 is a deficient number, since it is larger than the sum of its proper divisors (56603).
512626201 is a wasteful number, since it uses less digits than its factorization.
512626201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56602.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 512626201 is about 22641.2499875780. The cubic root of 512626201 is about 800.3260134801.
The spelling of 512626201 in words is "five hundred twelve million, six hundred twenty-six thousand, two hundred one".
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