Base | Representation |
---|---|
bin | 11010010000011… |
… | …01001011011000 |
3 | 120100110002222020 |
4 | 31020031023120 |
5 | 422341124221 |
6 | 33504454440 |
7 | 5313064446 |
oct | 1510151330 |
9 | 510402866 |
10 | 220254936 |
11 | 103367880 |
12 | 6191a420 |
13 | 36829785 |
14 | 21375b96 |
15 | 1450aac6 |
hex | d20d2d8 |
220254936 has 32 divisors (see below), whose sum is σ = 600696000. Its totient is φ = 66743840.
The previous prime is 220254889. The next prime is 220254949. The reversal of 220254936 is 639452022.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 220254897 and 220254906.
It is a congruent 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, 416886 + ... + 417413.
It is an arithmetic number, because the mean of its divisors is an integer number (18771750).
Almost surely, 2220254936 is an apocalyptic number.
It is an amenable number.
220254936 is an abundant number, since it is smaller than the sum of its proper divisors (380441064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220254936 is a wasteful number, since it uses less digits than its factorization.
220254936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 834319 (or 834315 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 220254936 is about 14840.9883767895. The cubic root of 220254936 is about 603.9141655434.
The spelling of 220254936 in words is "two hundred twenty million, two hundred fifty-four thousand, nine hundred thirty-six".
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