Base | Representation |
---|---|
bin | 11110001000100… |
… | …010101001001010 |
3 | 1022020021212210220 |
4 | 132020202221022 |
5 | 2013410234110 |
6 | 122055450510 |
7 | 15346102554 |
oct | 3610425112 |
9 | 1266255726 |
10 | 505555530 |
11 | 23a411397 |
12 | 121386a36 |
13 | 8097b9ac |
14 | 4b2004d4 |
15 | 2e5b4370 |
hex | 1e222a4a |
505555530 has 32 divisors (see below), whose sum is σ = 1217671488. Its totient is φ = 134332800.
The previous prime is 505555529. The next prime is 505555541. The reversal of 505555530 is 35555505.
It is a junction number, because it is equal to n+sod(n) for n = 505555491 and 505555500.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21556 + ... + 38415.
It is an arithmetic number, because the mean of its divisors is an integer number (38052234).
Almost surely, 2505555530 is an apocalyptic number.
505555530 is an abundant number, since it is smaller than the sum of its proper divisors (712115958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505555530 is a wasteful number, since it uses less digits than its factorization.
505555530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60262.
The product of its (nonzero) digits is 46875, while the sum is 33.
The square root of 505555530 is about 22484.5620370956. The cubic root of 505555530 is about 796.6293233275.
The spelling of 505555530 in words is "five hundred five million, five hundred fifty-five thousand, five hundred thirty".
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