Base | Representation |
---|---|
bin | 11011001000111… |
… | …01000011110100 |
3 | 120212101022211121 |
4 | 31210131003310 |
5 | 431240110040 |
6 | 34331313324 |
7 | 5433035560 |
oct | 1544350364 |
9 | 525338747 |
10 | 227660020 |
11 | 107565385 |
12 | 642ab844 |
13 | 38220193 |
14 | 223426a0 |
15 | 14ebec4a |
hex | d91d0f4 |
227660020 has 24 divisors (see below), whose sum is σ = 546384384. Its totient is φ = 78054816.
The previous prime is 227659987. The next prime is 227660021. The reversal of 227660020 is 20066722.
It is a happy number.
227660020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227660021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812932 + ... + 813211.
It is an arithmetic number, because the mean of its divisors is an integer number (22766016).
Almost surely, 2227660020 is an apocalyptic number.
227660020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
227660020 is an abundant number, since it is smaller than the sum of its proper divisors (318724364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227660020 is a wasteful number, since it uses less digits than its factorization.
227660020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1626159 (or 1626157 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 227660020 is about 15088.4068078774. The cubic root of 227660020 is about 610.6076717913.
The spelling of 227660020 in words is "two hundred twenty-seven million, six hundred sixty thousand, twenty".
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