Base | Representation |
---|---|
bin | 1001111011010… |
… | …10001110100001 |
3 | 12210200200112201 |
4 | 10331222032201 |
5 | 132304210414 |
6 | 12132453201 |
7 | 2030543200 |
oct | 475521641 |
9 | 183620481 |
10 | 83272609 |
11 | 43006a42 |
12 | 23a7a201 |
13 | 14337b44 |
14 | b0b9237 |
15 | 749d574 |
hex | 4f6a3a1 |
83272609 has 12 divisors (see below), whose sum is σ = 97241088. Its totient is φ = 71101800.
The previous prime is 83272591. The next prime is 83272661. The reversal of 83272609 is 90627238.
It is not a de Polignac number, because 83272609 - 27 = 83272481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (84272609) 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, 10144 + ... + 16414.
It is an arithmetic number, because the mean of its divisors is an integer number (8103424).
Almost surely, 283272609 is an apocalyptic number.
It is an amenable number.
83272609 is a deficient number, since it is larger than the sum of its proper divisors (13968479).
83272609 is a wasteful number, since it uses less digits than its factorization.
83272609 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6556 (or 6549 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 83272609 is about 9125.3826769073. The cubic root of 83272609 is about 436.6841114048.
It can be divided in two parts, 832 and 72609, that added together give a square (73441 = 2712).
The spelling of 83272609 in words is "eighty-three million, two hundred seventy-two thousand, six hundred nine".
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