Base | Representation |
---|---|
bin | 11000110000110… |
… | …010010011001001 |
3 | 1001221201122110020 |
4 | 120300302103021 |
5 | 1322323121441 |
6 | 105120211053 |
7 | 13203125343 |
oct | 3060622311 |
9 | 1057648406 |
10 | 415442121 |
11 | 1a35628a6 |
12 | b7169a89 |
13 | 680ba253 |
14 | 3d264293 |
15 | 26713e66 |
hex | 18c324c9 |
415442121 has 8 divisors (see below), whose sum is σ = 560147040. Its totient is φ = 273849312.
The previous prime is 415442117. The next prime is 415442149. The reversal of 415442121 is 121244514.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 415442121 - 22 = 415442117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 415442091 and 415442100.
It is not an unprimeable number, because it can be changed into a prime (415442101) 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, 777715 + ... + 778248.
It is an arithmetic number, because the mean of its divisors is an integer number (70018380).
Almost surely, 2415442121 is an apocalyptic number.
It is an amenable number.
415442121 is a deficient number, since it is larger than the sum of its proper divisors (144704919).
415442121 is a wasteful number, since it uses less digits than its factorization.
415442121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1556055.
The product of its digits is 1280, while the sum is 24.
The square root of 415442121 is about 20382.3973320118. The cubic root of 415442121 is about 746.1683818270.
Adding to 415442121 its reverse (121244514), we get a palindrome (536686635).
The spelling of 415442121 in words is "four hundred fifteen million, four hundred forty-two thousand, one hundred twenty-one".
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