Base | Representation |
---|---|
bin | 1111111111011… |
… | …1001111010111 |
3 | 11200012122211120 |
4 | 3333313033113 |
5 | 114132313413 |
6 | 10353335023 |
7 | 1443053025 |
oct | 377671727 |
9 | 150178746 |
10 | 67072983 |
11 | 34951a1a |
12 | 1a567473 |
13 | 10b85473 |
14 | 8c9d715 |
15 | 5d4d723 |
hex | 3ff73d7 |
67072983 has 16 divisors (see below), whose sum is σ = 94339200. Its totient is φ = 42271200.
The previous prime is 67072979. The next prime is 67072997. The reversal of 67072983 is 38927076.
It is not a de Polignac number, because 67072983 - 22 = 67072979 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67072903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34333 + ... + 36233.
It is an arithmetic number, because the mean of its divisors is an integer number (5896200).
Almost surely, 267072983 is an apocalyptic number.
67072983 is a deficient number, since it is larger than the sum of its proper divisors (27266217).
67072983 is a wasteful number, since it uses less digits than its factorization.
67072983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2542.
The product of its (nonzero) digits is 127008, while the sum is 42.
The square root of 67072983 is about 8189.8097047489. The cubic root of 67072983 is about 406.3022311385.
The spelling of 67072983 in words is "sixty-seven million, seventy-two thousand, nine hundred eighty-three".
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