Base | Representation |
---|---|
bin | 101010100011011… |
… | …1101010010001001 |
3 | 10200111211012001122 |
4 | 1111012331102021 |
5 | 10411014342431 |
6 | 353404325025 |
7 | 50245561364 |
oct | 12506752211 |
9 | 3614735048 |
10 | 1427887241 |
11 | 673006900 |
12 | 33a243775 |
13 | 199a93bc1 |
14 | d78d10db |
15 | 85552a7b |
hex | 551bd489 |
1427887241 has 12 divisors (see below), whose sum is σ = 1578916416. Its totient is φ = 1290288120.
The previous prime is 1427887217. The next prime is 1427887243.
1427887241 is nontrivially palindromic in base 10.
It is a de Polignac number, because none of the positive numbers 2k-1427887241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1427887192 and 1427887201.
It is not an unprimeable number, because it can be changed into a prime (1427887243) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15125 + ... + 55538.
It is an arithmetic number, because the mean of its divisors is an integer number (131576368).
Almost surely, 21427887241 is an apocalyptic number.
1427887241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1427887241 is a deficient number, since it is larger than the sum of its proper divisors (151029175).
1427887241 is a wasteful number, since it uses less digits than its factorization.
1427887241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70852 (or 70841 counting only the distinct ones).
The product of its digits is 200704, while the sum is 44.
The square root of 1427887241 is about 37787.3952661466. The cubic root of 1427887241 is about 1126.0680532784.
The spelling of 1427887241 in words is "one billion, four hundred twenty-seven million, eight hundred eighty-seven thousand, two hundred forty-one".
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