Base | Representation |
---|---|
bin | 11101111111000… |
… | …110011000111001 |
3 | 1022001122010201022 |
4 | 131333012120321 |
5 | 2012242034010 |
6 | 121530432225 |
7 | 15316054004 |
oct | 3577063071 |
9 | 1261563638 |
10 | 503080505 |
11 | 238a80914 |
12 | 120592675 |
13 | 802c3295 |
14 | 4ab5853b |
15 | 2e275d55 |
hex | 1dfc6639 |
503080505 has 8 divisors (see below), whose sum is σ = 615087432. Its totient is φ = 394870528.
The previous prime is 503080483. The next prime is 503080547. The reversal of 503080505 is 505080305.
It can be written as a sum of positive squares in 4 ways, for example, as 247464361 + 255616144 = 15731^2 + 15988^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-503080505 is a prime.
It is a super-2 number, since 2×5030805052 = 506179989022110050, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948944 + ... + 949473.
It is an arithmetic number, because the mean of its divisors is an integer number (76885929).
Almost surely, 2503080505 is an apocalyptic number.
It is an amenable number.
503080505 is a deficient number, since it is larger than the sum of its proper divisors (112006927).
503080505 is a wasteful number, since it uses less digits than its factorization.
503080505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898475.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 503080505 is about 22429.4561904653. The cubic root of 503080505 is about 795.3271888742.
The spelling of 503080505 in words is "five hundred three million, eighty thousand, five hundred five".
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