Base | Representation |
---|---|
bin | 1000001011011… |
… | …1111101000101 |
3 | 2101120000121022 |
4 | 2002313331011 |
5 | 32240323114 |
6 | 3223200525 |
7 | 564420026 |
oct | 202677505 |
9 | 71500538 |
10 | 34307909 |
11 | 18403049 |
12 | b5a6145 |
13 | 7152a4c |
14 | 47b0c4d |
15 | 302a48e |
hex | 20b7f45 |
34307909 has 2 divisors, whose sum is σ = 34307910. Its totient is φ = 34307908.
The previous prime is 34307893. The next prime is 34307947. The reversal of 34307909 is 90970343.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26728900 + 7579009 = 5170^2 + 2753^2 .
It is an emirp because it is prime and its reverse (90970343) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 34307909 - 24 = 34307893 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (34307209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17153954 + 17153955.
It is an arithmetic number, because the mean of its divisors is an integer number (17153955).
Almost surely, 234307909 is an apocalyptic number.
It is an amenable number.
34307909 is a deficient number, since it is larger than the sum of its proper divisors (1).
34307909 is an equidigital number, since it uses as much as digits as its factorization.
34307909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20412, while the sum is 35.
The square root of 34307909 is about 5857.2953656103. The cubic root of 34307909 is about 324.9361894446.
The spelling of 34307909 in words is "thirty-four million, three hundred seven thousand, nine hundred nine".
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