Base | Representation |
---|---|
bin | 11111000011111… |
… | …11101110100100 |
3 | 200011022022212111 |
4 | 33201333232210 |
5 | 1013201220040 |
6 | 41504530404 |
7 | 6312544234 |
oct | 1741775644 |
9 | 604268774 |
10 | 260570020 |
11 | 1240a3127 |
12 | 73320a04 |
13 | 41ca3859 |
14 | 2686bcc4 |
15 | 17d20dea |
hex | f87fba4 |
260570020 has 12 divisors (see below), whose sum is σ = 547197084. Its totient is φ = 104228000.
The previous prime is 260569997. The next prime is 260570029. The reversal of 260570020 is 20075062.
It can be written as a sum of positive squares in 2 ways, for example, as 176517796 + 84052224 = 13286^2 + 9168^2 .
It is a junction number, because it is equal to n+sod(n) for n = 260569973 and 260570000.
It is not an unprimeable number, because it can be changed into a prime (260570029) 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, 6514231 + ... + 6514270.
It is an arithmetic number, because the mean of its divisors is an integer number (45599757).
Almost surely, 2260570020 is an apocalyptic number.
260570020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
260570020 is an abundant number, since it is smaller than the sum of its proper divisors (286627064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
260570020 is a wasteful number, since it uses less digits than its factorization.
260570020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13028510 (or 13028508 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 260570020 is about 16142.1813891432. The cubic root of 260570020 is about 638.7165195769.
The spelling of 260570020 in words is "two hundred sixty million, five hundred seventy thousand, twenty".
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