Base | Representation |
---|---|
bin | 11110010001111… |
… | …100011010010001 |
3 | 1022101221002221020 |
4 | 132101330122101 |
5 | 2020023122434 |
6 | 122224350053 |
7 | 15406046643 |
oct | 3621743221 |
9 | 1271832836 |
10 | 508020369 |
11 | 24084524a |
12 | 122175329 |
13 | 8133288c |
14 | 4b682893 |
15 | 2e8ee849 |
hex | 1e47c691 |
508020369 has 4 divisors (see below), whose sum is σ = 677360496. Its totient is φ = 338680244.
The previous prime is 508020329. The next prime is 508020371. The reversal of 508020369 is 963020805.
It is a happy number.
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.
It is a cyclic number.
It is not a de Polignac number, because 508020369 - 212 = 508016273 is a prime.
It is a super-3 number, since 3×5080203693 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (508020329) 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, 84670059 + ... + 84670064.
It is an arithmetic number, because the mean of its divisors is an integer number (169340124).
Almost surely, 2508020369 is an apocalyptic number.
It is an amenable number.
508020369 is a deficient number, since it is larger than the sum of its proper divisors (169340127).
508020369 is a wasteful number, since it uses less digits than its factorization.
508020369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169340126.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 508020369 is about 22539.3071987584. The cubic root of 508020369 is about 797.9218819769.
The spelling of 508020369 in words is "five hundred eight million, twenty thousand, three hundred sixty-nine".
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