Base | Representation |
---|---|
bin | 1000010100101… |
… | …1100111101001 |
3 | 2102200202021122 |
4 | 2011023213221 |
5 | 32414201440 |
6 | 3244145025 |
7 | 602516300 |
oct | 205134751 |
9 | 72622248 |
10 | 34912745 |
11 | 1878650a |
12 | b838175 |
13 | 730513a |
14 | 48cb437 |
15 | 30e97b5 |
hex | 214b9e9 |
34912745 has 12 divisors (see below), whose sum is σ = 48735684. Its totient is φ = 23940000.
The previous prime is 34912741. The next prime is 34912763. The reversal of 34912745 is 54721943.
34912745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 22857961 = 3472^2 + 4781^2 .
It is not a de Polignac number, because 34912745 - 22 = 34912741 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (34912741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71006 + ... + 71495.
It is an arithmetic number, because the mean of its divisors is an integer number (4061307).
Almost surely, 234912745 is an apocalyptic number.
34912745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
34912745 is a deficient number, since it is larger than the sum of its proper divisors (13822939).
34912745 is a wasteful number, since it uses less digits than its factorization.
34912745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142520 (or 142513 counting only the distinct ones).
The product of its digits is 30240, while the sum is 35.
The square root of 34912745 is about 5908.7007878213. The cubic root of 34912745 is about 326.8345792080.
The spelling of 34912745 in words is "thirty-four million, nine hundred twelve thousand, seven hundred forty-five".
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