Base | Representation |
---|---|
bin | 100000000000110… |
… | …0010111110010101 |
3 | 2202212012022222102 |
4 | 1000001202332111 |
5 | 4144440202341 |
6 | 254330411445 |
7 | 35422046360 |
oct | 10001427625 |
9 | 2685168872 |
10 | 1074147221 |
11 | 501367784 |
12 | 25b890b85 |
13 | 1416cb594 |
14 | a292d0d7 |
15 | 6447ac9b |
hex | 40062f95 |
1074147221 has 16 divisors (see below), whose sum is σ = 1244896128. Its totient is φ = 907800000.
The previous prime is 1074147203. The next prime is 1074147223. The reversal of 1074147221 is 1227414701.
It is a cyclic number.
It is not a de Polignac number, because 1074147221 - 26 = 1074147157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1074147223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174431 + ... + 180483.
It is an arithmetic number, because the mean of its divisors is an integer number (77806008).
Almost surely, 21074147221 is an apocalyptic number.
It is an amenable number.
1074147221 is a deficient number, since it is larger than the sum of its proper divisors (170748907).
1074147221 is a wasteful number, since it uses less digits than its factorization.
1074147221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6412.
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 1074147221 is about 32774.1852835429. The cubic root of 1074147221 is about 1024.1288560202.
The spelling of 1074147221 in words is "one billion, seventy-four million, one hundred forty-seven thousand, two hundred twenty-one".
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