Base | Representation |
---|---|
bin | 1001111011100… |
… | …11011101001001 |
3 | 12210202121101201 |
4 | 10331303131021 |
5 | 132311413114 |
6 | 12133344201 |
7 | 2031061330 |
oct | 475633511 |
9 | 183677351 |
10 | 83310409 |
11 | 43032386 |
12 | 23a98061 |
13 | 1434c100 |
14 | b0c8d17 |
15 | 74a9874 |
hex | 4f73749 |
83310409 has 12 divisors (see below), whose sum is σ = 103100736. Its totient is φ = 65914992.
The previous prime is 83310407. The next prime is 83310433. The reversal of 83310409 is 90401338.
It is not a de Polignac number, because 83310409 - 21 = 83310407 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83310407) 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, 34029 + ... + 36394.
It is an arithmetic number, because the mean of its divisors is an integer number (8591728).
Almost surely, 283310409 is an apocalyptic number.
It is an amenable number.
83310409 is a deficient number, since it is larger than the sum of its proper divisors (19790327).
83310409 is a wasteful number, since it uses less digits than its factorization.
83310409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70456 (or 70443 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 83310409 is about 9127.4535879401. The cubic root of 83310409 is about 436.7501761953.
The spelling of 83310409 in words is "eighty-three million, three hundred ten thousand, four hundred nine".
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