Base | Representation |
---|---|
bin | 11110100001111… |
… | …011110001001111 |
3 | 1022200211001211120 |
4 | 132201323301033 |
5 | 2022111241142 |
6 | 122454252023 |
7 | 15456505404 |
oct | 3641736117 |
9 | 1280731746 |
10 | 512212047 |
11 | 243148546 |
12 | 123657013 |
13 | 8216c769 |
14 | 4c0542ab |
15 | 2ee7b7ec |
hex | 1e87bc4f |
512212047 has 8 divisors (see below), whose sum is σ = 712642944. Its totient is φ = 326627928.
The previous prime is 512212033. The next prime is 512212061. The reversal of 512212047 is 740212215.
It is an interprime number because it is at equal distance from previous prime (512212033) and next prime (512212061).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 512212047 - 24 = 512212031 is a prime.
It is a super-2 number, since 2×5122120472 = 524722362183860418, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512212067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711613 + ... + 3711750.
It is an arithmetic number, because the mean of its divisors is an integer number (89080368).
Almost surely, 2512212047 is an apocalyptic number.
512212047 is a deficient number, since it is larger than the sum of its proper divisors (200430897).
512212047 is a wasteful number, since it uses less digits than its factorization.
512212047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7423389.
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 512212047 is about 22632.1021339159. The cubic root of 512212047 is about 800.1104259028.
The spelling of 512212047 in words is "five hundred twelve million, two hundred twelve thousand, forty-seven".
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