Base | Representation |
---|---|
bin | 11110001001010… |
… | …010101110010111 |
3 | 1022020122212222000 |
4 | 132021102232113 |
5 | 2013433034341 |
6 | 122104010343 |
7 | 15350553000 |
oct | 3611225627 |
9 | 1266585860 |
10 | 505752471 |
11 | 23a536354 |
12 | 1214609b3 |
13 | 80a1a523 |
14 | 4b2521a7 |
15 | 2e6028b6 |
hex | 1e252b97 |
505752471 has 64 divisors (see below), whose sum is σ = 884352000. Its totient is φ = 285513984.
The previous prime is 505752463. The next prime is 505752487. The reversal of 505752471 is 174257505.
It is not a de Polignac number, because 505752471 - 23 = 505752463 is a prime.
It is a super-3 number, since 3×5057524713 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505752461) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 898036 + ... + 898598.
It is an arithmetic number, because the mean of its divisors is an integer number (13818000).
Almost surely, 2505752471 is an apocalyptic number.
505752471 is a deficient number, since it is larger than the sum of its proper divisors (378599529).
505752471 is an equidigital number, since it uses as much as digits as its factorization.
505752471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690 (or 670 counting only the distinct ones).
The product of its (nonzero) digits is 49000, while the sum is 36.
The square root of 505752471 is about 22488.9410822297. The cubic root of 505752471 is about 796.7327531840.
The spelling of 505752471 in words is "five hundred five million, seven hundred fifty-two thousand, four hundred seventy-one".
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