Base | Representation |
---|---|
bin | 101010110110111… |
… | …0100010011010111 |
3 | 10201012222201202122 |
4 | 1111231310103113 |
5 | 10421121332241 |
6 | 354410530155 |
7 | 50431266530 |
oct | 12555642327 |
9 | 3635881678 |
10 | 1438074071 |
11 | 678834375 |
12 | 34173695b |
13 | 19bc1c805 |
14 | d8dc3687 |
15 | 863b604b |
hex | 55b744d7 |
1438074071 has 8 divisors (see below), whose sum is σ = 1730014080. Its totient is φ = 1167759288.
The previous prime is 1438074059. The next prime is 1438074101. The reversal of 1438074071 is 1704708341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1438074071 - 226 = 1370965207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1438074041) 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, 5406161 + ... + 5406426.
It is an arithmetic number, because the mean of its divisors is an integer number (216251760).
Almost surely, 21438074071 is an apocalyptic number.
1438074071 is a deficient number, since it is larger than the sum of its proper divisors (291940009).
1438074071 is a wasteful number, since it uses less digits than its factorization.
1438074071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10812613.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 1438074071 is about 37921.9470887242. The cubic root of 1438074071 is about 1128.7395743340.
The spelling of 1438074071 in words is "one billion, four hundred thirty-eight million, seventy-four thousand, seventy-one".
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