Base | Representation |
---|---|
bin | 11000101111110… |
… | …111101011100100 |
3 | 1001221021110002121 |
4 | 120233313223210 |
5 | 1322242431040 |
6 | 105111115324 |
7 | 13201105342 |
oct | 3057675344 |
9 | 1057243077 |
10 | 415202020 |
11 | 1a3409472 |
12 | b7072b44 |
13 | 68034b8c |
14 | 3d200992 |
15 | 266b7c4a |
hex | 18bf7ae4 |
415202020 has 12 divisors (see below), whose sum is σ = 871924284. Its totient is φ = 166080800.
The previous prime is 415202017. The next prime is 415202083. The reversal of 415202020 is 20202514.
It can be written as a sum of positive squares in 2 ways, for example, as 237406464 + 177795556 = 15408^2 + 13334^2 .
It is a junction number, because it is equal to n+sod(n) for n = 415201985 and 415202003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380031 + ... + 10380070.
It is an arithmetic number, because the mean of its divisors is an integer number (72660357).
Almost surely, 2415202020 is an apocalyptic number.
It is an amenable number.
415202020 is an abundant number, since it is smaller than the sum of its proper divisors (456722264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
415202020 is a wasteful number, since it uses less digits than its factorization.
415202020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20760110 (or 20760108 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 415202020 is about 20376.5065700674. The cubic root of 415202020 is about 746.0246070463.
Adding to 415202020 its reverse (20202514), we get a palindrome (435404534).
The spelling of 415202020 in words is "four hundred fifteen million, two hundred two thousand, twenty".
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