Base | Representation |
---|---|
bin | 11110100100111… |
… | …100001100111101 |
3 | 1022202022010001101 |
4 | 132210330030331 |
5 | 2022312002003 |
6 | 122523213101 |
7 | 15466300363 |
oct | 3644741475 |
9 | 1282263041 |
10 | 513000253 |
11 | 243636757 |
12 | 123977191 |
13 | 8238745c |
14 | 4c1bb633 |
15 | 3008511d |
hex | 1e93c33d |
513000253 has 4 divisors (see below), whose sum is σ = 523915200. Its totient is φ = 502085308.
The previous prime is 513000239. The next prime is 513000263. The reversal of 513000253 is 352000315.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352000315 = 5 ⋅70400063.
It is a cyclic number.
It is not a de Polignac number, because 513000253 - 29 = 512999741 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 513000253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (513000203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5457403 + ... + 5457496.
It is an arithmetic number, because the mean of its divisors is an integer number (130978800).
Almost surely, 2513000253 is an apocalyptic number.
It is an amenable number.
513000253 is a deficient number, since it is larger than the sum of its proper divisors (10914947).
513000253 is a wasteful number, since it uses less digits than its factorization.
513000253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10914946.
The product of its (nonzero) digits is 450, while the sum is 19.
The square root of 513000253 is about 22649.5088909230. The cubic root of 513000253 is about 800.5206262161.
Adding to 513000253 its reverse (352000315), we get a palindrome (865000568).
The spelling of 513000253 in words is "five hundred thirteen million, two hundred fifty-three", and thus it is an aban number.
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