Base | Representation |
---|---|
bin | 101010100011100… |
… | …1000011100010101 |
3 | 10200111220111202112 |
4 | 1111013020130111 |
5 | 10411022323244 |
6 | 353405320405 |
7 | 50246141552 |
oct | 12507103425 |
9 | 3614814675 |
10 | 1427932949 |
11 | 673038183 |
12 | 33a266105 |
13 | 199aab951 |
14 | d7903a29 |
15 | 8556139e |
hex | 551c8715 |
1427932949 has 8 divisors (see below), whose sum is σ = 1461648672. Its totient is φ = 1394240400.
The previous prime is 1427932937. The next prime is 1427932951. The reversal of 1427932949 is 9492397241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1427932949 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1427932897 and 1427932906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1427932549) 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, 230999 + ... + 237099.
It is an arithmetic number, because the mean of its divisors is an integer number (182706084).
Almost surely, 21427932949 is an apocalyptic number.
It is an amenable number.
1427932949 is a deficient number, since it is larger than the sum of its proper divisors (33715723).
1427932949 is an equidigital number, since it uses as much as digits as its factorization.
1427932949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11587.
The product of its digits is 979776, while the sum is 50.
The square root of 1427932949 is about 37788.0000661586. Note that the first 4 decimals coincide. The cubic root of 1427932949 is about 1126.0800686458.
The spelling of 1427932949 in words is "one billion, four hundred twenty-seven million, nine hundred thirty-two thousand, nine hundred forty-nine".
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