Base | Representation |
---|---|
bin | 111111111100001… |
… | …100100111100001 |
3 | 2202202120002101200 |
4 | 333330030213201 |
5 | 4144110314204 |
6 | 254240351413 |
7 | 35404116144 |
oct | 7774144741 |
9 | 2682502350 |
10 | 1072744929 |
11 | 50059a163 |
12 | 25b315569 |
13 | 14132a219 |
14 | a268605b |
15 | 642a0539 |
hex | 3ff0c9e1 |
1072744929 has 12 divisors (see below), whose sum is σ = 1552761600. Its totient is φ = 713667384.
The previous prime is 1072744927. The next prime is 1072744949. The reversal of 1072744929 is 9294472701.
It is a happy number.
It is not a de Polignac number, because 1072744929 - 21 = 1072744927 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1072744927) 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, 120109 + ... + 128730.
It is an arithmetic number, because the mean of its divisors is an integer number (129396800).
Almost surely, 21072744929 is an apocalyptic number.
It is an amenable number.
1072744929 is a deficient number, since it is larger than the sum of its proper divisors (480016671).
1072744929 is a wasteful number, since it uses less digits than its factorization.
1072744929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249324 (or 249321 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 1072744929 is about 32752.7850571520. The cubic root of 1072744929 is about 1023.6829974889.
The spelling of 1072744929 in words is "one billion, seventy-two million, seven hundred forty-four thousand, nine hundred twenty-nine".
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